A 
ASL
  abacus

a device with beads used to do arithmetic

ASL
  absorb

take in, suck up, make as part of itself
The sponge can absorb the spilled water.

ASL
  accompanies

to go with
A parent accompanies each child when they go to the doctor's office.

ASL
  according

as stated by
According to the teacher, Jill passed the test.

ASL
  account

to carefully consider, to include in the calculations

ASL
  accumulation
 accumulate

to collect
The basketball team's trophies were accumulated over 35 years.

ASL
  acknowledge

recognize or accept as truth
The coach didn't acknowledge defeat until the final second of the game.

ASL
  active

Moving and doing activities, having a lot of energy, busy
The cheerleaders were very active at the basketball game.

ASL
  adapt
 adapted

adjust to new conditions
Millions of years ago seals adapted to living in the ocean by developing flippers.

ASL
  algorithm
 algorithms

a rule or procedure for solving a mathematical problem.

ASL
  antibodies

a blood protein made in response to and then protecting from a virus or bacterial infection
People who had chicken pox as a child have antibodies so they won't get it again.

ASL
  antidepressant

medicine to treat depression
The doctor prescribed antidepressants for Tim after his suicide attempt.

ASL
  apogee

The point in the orbit which is farthest from the sun, or where the moon is the farthest from the Earth.

ASL
  apparent size

The size the moon appears to be
The moon's size doesn't change. When the moon is closer to the Earth it looks larger.

ASL
  appropriate

proper or suitable
A tie was the appropriate thing to wear to the formal dinner party.

ASL
  aquarium

A glass tank for fish
Bob has an aquarium with 4 gold fish.

ASL
  architecture

design and construction of a building or the equipment (hardware, computer, calculator etc.) used by a computer model

ASL
  atmosphere

the air that surrounds the Earth
The clouds float in the atmosphere.

ASL
  authentic

genuine, not a fake
The firefighters actions were examples of authentic heroism.

B 
ASL
  babylonians

people from the ancient city/country of Babylon
Babylon was a city thousands of years ago. Today this area is Iraq.

ASL
  balsa

a very lightweight wood used to make models
Tom's plane wasn't heavy because it was made of balsa.

ASL
  basal

At or forming a base, lowest amount
Before he started to run, his heart rate was at the slow, basal rate.

ASL
  base
 based

base is the foundation, something built on the foundation
My theory is based on my research. The judge based his decision on the evidence.

ASL
  break even

to neither lose or gain money.

ASL
  brood

a group of animals or birds hatched at the same time
The male seahorse protected his brood in a pouch until they could swim on their own.

ASL
  buried

hidden underground
When Tina died she was buried in the cemetery.

C 
ASL
  calorie

A unit of heat or food energy
The diet pop contains only one calorie.

ASL
  carapace

The hard covering on a turtle or crustacean
When a lobster grows it gets too large for its carapace.

ASL
  chaos chaotic

Chaos is the breakdown of predictability, or a state of disorder.
The employees felt that chaos was the rule at work because their boss' moods were so unpredictable.

ASL
  characteristics

the features you notice, how you recognize someone or something
My characteristics include 2 eyes, brown hair and ear rings.

ASL
  charge

electrical energy stored in an object
Rubbing the balloon in your hair will give it a positive charge.

ASL
  chimpanzees
 chimps

a small African humanlike ape

ASL
  cholesterol

a chemical that can cause heart attacks
After Betty's heart attack she tried to reduce the cholesterol in her diet.

ASL
  cipher
 ciphers

a message that is written using an algorithm that makes it secret

ASL
  clarity

clear
The water lost its clarity when Tim added some milk.

ASL
  CO_{2}

Carbon dioxide, the gas we breathe out, fires produce, and plants absorb.
As the fire burned, the hot CO_{2} rose into the air.

ASL
  collide

to crash together
The football players collided when they both tried to catch the ball.

ASL
  commercial

having businesses or factories
The stores downtown are the major commercial district of the area.

ASL
  components

a part of a larger whole
The components of the desk included drawers, legs and a glass top.

ASL
  composed

made of, arranged
The soil is composed of sand and clay.

ASL
  composite

special numbers in math
can be divided by numbers besides one and itself; example: 10 is composite. 10 can be divided by 2 and 5 as well as 1 and 10.

ASL
  compromised

to put in danger
Tony's angry remark compromised his chances of winning the debate.

ASL
  concentrations

how much of a substance is dissolved in water
Tammy carefully added salt to the solutions until she had the right concentrations.

ASL
  concise

brief but complete and comprehensive

ASL
  consistent system

A system of equations that has at least one solution

ASL
  constant rate

rate is how something changes i.e. speed or growth
Barbra grew at a constant rate of 2 inches every year for 5 years.

ASL
  constellations

A group of stars that appear together in the sky

ASL
  consume

to eat or drink, to destroy or use up
The football team will consume 5 gallons of Gatorade during the game.

ASL
  contaminate

to add a substance like pollution that makes something unclean, unhealthy, or impure
Pouring motor oil in the field will contaminate the soil.

ASL
  contribute
 contribution

give time, money, effort etc. toward a common purpose
All of the employees were asked to contribute to the disaster relief fund.

ASL
  converting

to change in form or function
Tammy is good at converting fractions to decimals.

ASL
  critical

rising to a crisis or dangerous point
Nancy's condition was critical so the doctor knew she had to work quickly to save Nancy's life.

ASL
  crown

the top or the highest part of several things like a mountain, a person or a tree.
The bird built its nest in the crown of the tree.

ASL
  cryptanalysis

the study of how to break ciphers

ASL
  cryptography

the study of how to write ciphers

ASL
  cryptology

the study of writing messages in secret (crytanalysis and cryptography)

ASL
  cytoplasm

the living part of the cell but not the nucleus, cell wall or cell membrane
Tammy watched the cell's cytoplasm flow as it moved.

D 
ASL
  decimal
 decimals

A fraction where the denominator is a power of ten and is therefore expressed using a decimal point. For example: 0.37 is the decimal equivalent of 37/100.

ASL
  decrypt
 decryption

the process of changing a cipher into a message

ASL
  deed
 deeded

a legal document, often used to show ownership of property
When Betty bought her new home, the deed was recorded in the Court House.

ASL
  default

Fail to fulfill an obligation, number used if you don't pick one
Ms. Jones was elected by default because no one ran against her.

ASL
  demonstrate

show, present and explain by experiment or use
Al will you please demonstrate how to tie your shoe?

ASL
  denominator

When a rational number is expressed as a fraction, the denominator is the number below the fraction bar. The denominator indicates how many parts the whole is divided into.

ASL
  dense

crowded together, closely packed
The wood is strong, dense and heavy.

ASL
  density

a measure of how closely packed a substance is, the mass divided by the volume
The density of the rock is much larger than the pillow.

ASL
  dependent system

A system of equations that has infinite solutions.

ASL
  determine

to find the answer, decide
Tomorrow"s election will determine who will be our next president.

ASL
  devise

to invent, to plan

ASL
  digest

to break down food in the stomach and intestines.
Acids and enzymes help digest proteins so amino acids can be absorbed by the blood. A cow has two stomachs to help digest grass.

ASL
  digital

data represented by the numbers 0 through 9
Computers store information in digital form.

ASL
  digital signiture

a way of checking which computer did something

ASL
  dilute

to reduce the strength or concentration of a liquid by adding water
The punch was so diluted that it tasted like water.

ASL
  discard

To remove or put aside
When I open a new deck of cards, I always discard the jokers.

ASL
  disorder

An ailment or disease
His stomach disorder caused him to throw up all weekend.

ASL
  diversity

variety
The thousands of different kinds of plants in the rainforest represent the earth's greatest example of diversity.

ASL
  divisible
 divisibility

can be divided, without a remainder
example: 6 can be divided by 2 and 3.

ASL
  dynamic
 dynamics

having continuous change
The tides are an example of the moon's dynamic effect on the ocean level.

E 
ASL
  eccentricity

How out of round the ellipse is. Distance between foci / length of the major axis

ASL
  eclipse

When 3 bodies in space line up so one of them can't be seen.

ASL
  economic

the cost of buying, selling and doing business
The economic cost of the hurricane was $43,000,000.

ASL
  effecting
affecting

making something happen or change
The bad smell was affecting our appetite.

ASL
  efficient

productive with a minimum of waste or effort.

ASL
  ellipse

an oval. A closed curve where the sum of the distance to any point on the curve, from two fixed points is a constant
Try this activity to draw an ellipse.

ASL
  empowering

to give authority to, getting the feeling you have the power to do something.

ASL
  encrypt
 encryption

the process of changing a message into a cipher

ASL
  enhance
 enhancing

to improve
Jill thought make up would enhance her chance of getting a date.

ASL
  epidemic
 epidemics

the widespread appearance of a disease
Cholera is often epidemic in poor countries after floods.

ASL
  equivalent

equal amounts
One dollar is equivalent to 100 pennies, but they don't look the same.

ASL
  Euclidean algorithm

The method for finding remainders by multiplying the divisor by the quotient and subtracting that amount from the number being divided. For example, when finding the remainder for 25 divided by 4, the quotient is 6, so one multiplies 6 times 4 (giving 24) and then subtracts 25 from 24, leaving 1 as the remainder (cf What are Remainders Discussion).

ASL
  Excel

a spreadsheet program
Jim balanced his check book using an Excel spreadsheet.

ASL
  excreted

to expel or get rid of, especially waste material
The snail excreted a mucus liquid as it moved over the sidewalk.

ASL
  exoskeleton

a hard covering on the outside of an animal's body.

ASL
  expenditure

Spending or using up
Tammy ate pasta before the marathon to prepare for the large expenditure of energy.

ASL
  extinct
 extinction

all have died out
65 million years ago an asteroid hit the earth and the dinosaurs became extinct.

ASL
  extreme

to a high or the highest degree
The flooding after the hurricane was extreme.

ASL
  extremities

end parts, hands, feet
Protect your extremities from the cold wind so you don't get frostbite.

F 
ASL
  factor

Circumstance or element contributing to an event
For example: being 6 feet 10 inches was one factor that helped him make the basketball team. Any of the numbers or symbols in mathematics which form a product when muyltiplied together. Fro example, 3 is a factor of 12, because 3 can be multiplied by 4 to give 12. Similarly, 5 is a factor of 20, because 5 times 4 is 20.

ASL
  fertilizers

chemicals and nutrients added to help plants grow
The farmer spread nitrogen fertilizer to his corn crop.

ASL
  filament

the connecting wire or thread in a light bulb
The filament in the light bulb glowed white hot.

ASL
  fluent
 fluently

flowing smoothly with little effort

ASL
  foci

(of an ellipse) The 2 fixed points that are used to define an ellipse.

ASL
  foresters

people who study and manage forests
The foresters planted new trees after the fire.

ASL
  fraction
 fractions

A rational number of the form a/b where a is called the numerator and b is called the denominator

ASL
  function

a math procedure that returns a value
In Excel, the SUM( ) function will add a column of numbers.

G 
ASL
  galaxy
 galaxies

a group of billions of stars
The Milky Way is the galaxy that we live in.

ASL
  generalize

to find a rule by examining several examples
When Vick was little the family next door had long haired cats. Vick incorrectly generalized that all cats had long hair.

ASL
  gestation

The time the babies grow inside the mother
The gestation period for daphnia is 2 days.

ASL
  glossary

a list of special words or technical terms and their definitions
Jill used the glossary in the back of her science book to find the definition for the word meteoroid.

ASL
  gradually

progressing slowly
His hair gradually changed from black to gray.

ASL
  grazing

Cattle eating grass
The cows were quietly grazing in the field.

ASL
  gross

total without any reductions
Tim's gross income is $700 per week but he only takes home $587 after taxes.

H 
ASL
  herbivore

an animal that eats plants not animals
The grass eating cow is an herbivore.

ASL
  hickory

an American tree with hard wood and nuts like pecans
The ax handle is made of hickory.

ASL
  hydrology

the science of the movement of water on earth
In order to predict the weather, scientists study hydrology. Hydrology is the study of how water moves down rivers to the ocean, evaporates and becomes clouds, the clouds move up the mountain and fall as rain.

I 
ASL
  ideal

a perfect model existing only in the mind
The coach's ideal athlete never got tired or made a mistake.

ASL
  immunity
 immune

unable to contract a disease, protected from sickness by vaccination
A flu shot gives you a 90% chance of immunity from the flu.

ASL
  impact

strong effect or impression
The impact of not doing his homework hit Tom when he saw his report card.

ASL
  impervious

water can't flow through it
The sidewalk is impervious to water.

ASL
  implemented

to put into effect
The School Board implemented a new dress code this year.

ASL
  implications

suggested indirectly
Betty said, "Andrew left home at 9:30." The implication is that Andrew was late for school.

ASL
  inconsistent system

A system of equations that has no solution.

ASL
  independent system

A system of equations that has exactly one solution.

ASL
  infected

people that have the disease and can spread it to others

ASL
  Infiltrate
 infiltration

gradually entering an area
Over 5 years the dandelions infiltrated the lawn.

ASL
  infinite

endless, never ending

ASL
  initial

at the beginning, the first
Dustin got his initial raise 3 weeks after starting his job.

ASL
  insecticides

chemicals used to kill insects

ASL
  integer

Any positive or negative number including zero, but does not include a fraction or decimal.

ASL
  interactions

to act on or affect each other
The playful interactions progressed into a fist fight.

ASL
  interactive

having a two way flow of information between it and the user
Tim preferred interactive video games to watching TV.

ASL
  interpretation

an explanation of the meaning
The two boys had different interpretations of the ballgame.

ASL
  interrupt
 uninterrupted

to break the process, to interfere
Don't interrupt the principal while she is giving a speech.

ASL
  intervals

The time between two events
Whenever the electricity went off, the boys had to wait an unbearable interval before they could play their computer games.

ASL
  intuition

immediate insight or understanding without conscious reasoning.

ASL
  inverse

2 numbers that multiplied together equals 1.
5 X 1/5 = 1. 1/5 is the inverse of 5

ASL
  investigate

To examine, to make a systematic inquire,
The police came to investigate the crime.

J 
ASL
  JavaScript

a programming language that runs on web pages
I wrote a JavaScript program to calculate the tree's weight.

K 
ASL
  key

a number used to encrypt or decrypt a message

L 
ASL
  launching pad

the platform that something takes off from
The rocket sat on the launch pad waiting to blast off.

ASL
  lock

a curl or small amount of hair
Betty's parents saved a lock of hair from her first hair cut.

ASL
  lunar

pertaining to the Earth's moon. Example: lunar orbit is the moon's orbit.

M 
ASL
  maintain

to cause to continue, to keep up
Bob's job was to maintain the fences on the farm.

ASL
  major axis

A line segment bisecting the ellipse and passing through the foci.

ASL
  mammals

warm blooded animals that produce milk to feed their young
Elephants are the largest mammals in Asia.

ASL
  mass

the quantity of matter, like weight but independent of gravity
A cow has more mass than a dog.

ASL
  maximum

highest or larges possible amount
$56,000 is the maximum you can earn in this store.

ASL
  mechanism

parts that work together, process
The doctor explained the mechanism that allowed the drug to kill the cancer.

ASL
  message
 messages

text to be sent to a person

ASL
  metabolism

the chemical processes in a living organism that produce energy and growth
When Terry stopped smoking, her metabolism decreased by 10% so she started to gain weight.

ASL
  minor axis

A line segment bisecting the ellipse, perpendicular to and bisecting the major axis.

ASL
  mixed numbers

Numbers that have both whole numbers and decimals, such as 4.567 (cf What are Remainders Discussion).

ASL
  model
 computer models

a mathematical representation of a process that is simulated by a computer
Betty used a computer model to explore what happens when 2 galaxies collide.

ASL
  modify
 modified

to make small or partial changes
The team was losing by 10 points at half time so they had to modify their game plan.

ASL
  modular arithmetic

A method for finding remainders where all the possible numbers (the numbers less than the divisor) are put in a circle. Use the number being divided to count around the circle. The final number landed on will be the remainder.(cf What are Remainders Discussion).

ASL
  modulus

A unit of measure. For example, when measuring days, a modulus could be 24 for the number of hours in a day. 75 hours would be divided by 24 to give 3 remainder 3, or 3 days and 3 hours. See also modular arithmetic (cf Clocks and Modular Arithmetic Discussion).

ASL
  moisture

water or other liquid causing slight dampness
As she ran, moisture started to appear on her forehead.

ASL
  municipal

the affairs of a state or local government.

ASL
  mutate
 mutated
 mutation

a change in the genetic code of an organism
Radiation can cause mutations of the chromosomes.

N 
ASL
  nerve cells

cells that send information from the brain to the body parts
The snake venom paralyzed her nerve cells.

ASL
  net

the part remaining after all the necessary deductions
After all of the taxes were subtracted her net income was $456.63.

ASL
  neutral

not supporting either of 2 opposing sides, not positive or negative
The referee in the football game was neutral.

ASL
  numerator

When a rational number is expre3ssed as a fraction, the numerator is the number above the fraction bar. The nummerator indicates the number of parts of the whole that there are.

O 
ASL
  oak

a hardwood tree that produces acorns
The oak tree in the park is 300 years old.

ASL
  obtain

to acquire or get
Each child must obtain parental permission to go on the fieldtrip.

ASL
  occur
 occurrence

to take place or happen
Fish for lunch is a once a week occurrence.

ASL
  operation

act or process, adding, subtracting, multiplying in a calculation
Which operation do you perform when you find the average?

ASL
  opportunity

favorable chance, opening offered by circumstances
When the rain stopped, we had our first opportunity to play baseball.

ASL
  option
 options

choice, things to choose between
Tim's options were to study or fail the test.

P 
ASL
  packet

A small package
The counselor gave Tim a packet of forms before the test.

ASL
  parallel lines

lines on the same plane that never meet.

ASL
  parameter

a quantity constant in the case being studied but varying in different cases
The parameter that predicted success in basketball the best was height.

ASL
  partial eclipse

When 3 bodies almost line up.
Example: the Earth's shadow only covers part of the moon or the moon only covers part of the Sun.

ASL
  particles

the smallest amount, a tiny portion of matter
The board is made of particles of saw dust glued together.

ASL
  partner

A person who shares a job or activity, a player on the same team
Tom is Jill's dance partner.

ASL
  pattern

Characteristic(s) observed in one item that may be repeated in similar or identical manners in other items.

ASL
  perigee

The point in the orbit which is closest to the sun, or where the moon is the closest to the Earth.

ASL
  periodically

appearing or happening at intervals
The commercials appeared periodically through the movie.

ASL
  pervious

water can flow or seep through it
The sand on the beach is pervious to water.

ASL
  pesticides

chemicals used to kill pests like insects

ASL
  phase

a stage in the process of change or development
The baby entered the crawling phase this month.

ASL
  policies
 policy

a plan or course of action adopted by a government or organization
The School Board's policy is, "No cell phones or beepers in class!"

ASL
  politicians

People who hold or seek political office
The politicians in the Senate wrote the law.

ASL
  polygon

A closed plane figure formed by three or more line segments that do not cross over each other. (cf What Are Tessellations Discussion).

ASL
  polyhedra

Any solid figure with an outer surface composed of polygon faces

ASL
  polymer

a large molecule made by linking many small molecules
Polyester is a polymer made from many esters stuck together in a long chain.

ASL
  potential

capable of coming into being, may happen
Every child born in the US has the potential of becoming President.

ASL
  predator

an animal that lives by killing and eating other animals.

ASL
  prey

an animal that is killed and eaten by a predator

ASL
  primatologist

a scientist who studies primates; humans, monkeys and apes.

ASL
  prime
 primes

a special number in math; can only be divided by 1 and itself; example  11 is a prime number. It can only be divided by 1 and 11. 2, 3, 4, 5, 6, 7, 8, 9, and 10 cannot divide 11.

ASL
  principle

fundamental truth or law in nature or science
George Washington believed in the principle of democracy.

ASL
  probability

The measure of how likely it is for an event to occur. The probability of an event is always a number between zero and 100%.
The probability that Sara's baby will be a girl is 50%.

ASL
  procedure

a series of actions performed in a certain order or manner
Everyday the students in Ms. Jones' class knew that she would follow the same procedure.

ASL
  productive
 productivity

making things or getting work done
After 2 hours of productive work Tom got tired and fell asleep.

ASL
  profit

money gained from some investment.

ASL
  prolonged

to extend in time or space
The pond will fill with water if you have a prolonged rainfall.

ASL
  prone

likely to happen
The windprone yard was swept clean of all trash.

ASL
  propose

a suggested plan
Tina proposed a compromise to settle the argument.

ASL
  proteins

organic compounds composed of amino acids
Special proteins in the heart contract to pump the blood.

ASL
  public

available to everyone

ASL
  punctuation

any of the marks used in writing to separate sentences and clarify the meaning
The English teacher asked, "What type of punctuation do you use at the end of a question?"

ASL
  purity

pure, clean

ASL
  Pythagorean theorem

a theorem in Geometry
The square of the length of the hypotenuse of a right triangle equals the sum of the squares of the other two sides.

Q 
ASL
  quadrilateral

A polygon that has four sides (cfQuadrilateral Discussion).

ASL
  quantity

an amount, how much is measured
They needed a large quantity of water to fill the pool.

ASL
  quotient

When performing division, the number of times one value can be divided into the other value is the quotient. For example, when dividing 7 by 3, 3 goes in to 7 twice, making 6, and the remainder is 1, so the quotient is 2 (cf What are Remainders Discussion).

R 
ASL
  radical radically

being extreme, very unusual or different
When Jim shaved his head for football, it radically changed his appearance.

ASL
  randomly

without method or conscious choice
The rain drops fell randomly on the table.

ASL
  range

region between limits, i.e. numbers between 5 and 12
The age of students in high school range between 12 and 19.

ASL
  reality

what is real or true
Time travel is not reality.

ASL
  recipe

statement of ingredients and procedures for preparing a meal
Be sure to follow the recipe when you bake the bread.

ASL
  recovered

people that had the disease and got better

ASL
  reference

The place you consult for information

ASL
  regular polygon

A polygon whose side lengths are all the same and whose interior angle measures are all the same (cf Polyhedra Discussion).

ASL
  regularities

Things that happen regularly and predictably.

ASL
  relatively

compared to something else
Bill is 5 feet 10 inches, but compared to the basketball players he is relatively short.

ASL
  remainders

After dividing one number by another, if any amount is left that does not divide evenly, that amount is called the remainder. For example, when 8 is divided by 3, three goes into eight twice (making 6), and the remainder is 2. When dividing 9 by 3, there is no remainder, because 3 goes in to 9 exactly 3 times, with nothing left over (cf What are Remainders Discussion).

ASL
  replicate

to make an exact copy
I was to slow to replicate his moves on the basketball court.

ASL
  represent

to stand for or be an example of
The class president will represent all the students at the school board meeting.

ASL
  requirement

A thing that is needed or demanded
Algebra I is a graduation requirement.

ASL
  residential

an area having houses or apartments not factories or farms
Most of the new schools are in the residential district.

ASL
  retention

to keep possession of, not loosing.
Tibia had better retention of the facts if she studied every night rather than only the morning of the test.

ASL
  revolves

to go around in an orbit.

ASL
  runoff

Runoff is what occurs when rain is not absorbed by the ground on which it falls and so then flows downhill.

S 
ASL
  saturated

full of water so it can't hold more
After 2 days of rain the ground was saturated.

ASL
  scale

1. Thin plates protecting the skin of a fish, overlapping plates on Juniper leaves
2. A device used to weigh an object The cedar leaves are rough and scaly.

ASL
  scalp

the skin on the head
Dandruff is a result of a dry scalp.

ASL
  scenario
 scenarios

the outline of a play's plot or future events
proposed sequence of future events Tom invented a wild scenario to explain why he didn't have his homework.

ASL
  seldom

not often
It seldom rains in the desert.

ASL
  sensitive

easily effected, requiring careful treatment or secrecy
Ms. Jones didn't allow the class to see the sensitive information in Tim's file.

ASL
  sequester

to isolate, set aside, or save
When the jury was sequestered they had to stay in a hotel and couldn't go home at night.

ASL
  series

a set of similar things in a row
Pat made a series of careless mistakes on the final exam.

ASL
  serving

The amount of food offered or given
Tom was hungry so he asked for 2 servings of chicken.

ASL
  sewage

waste material carried in sewers
The smell of the sewage from the treatment plant took our breath away.

ASL
  shaft

a long shape like a handle or arrow.

ASL
  sieve

throw out everything you do not want, leaving only what you want to keep; with numbers, this means throwing out all of the composite numbers to leave only the prime numbers;
When the noodles have finished cooking, drain the water with the sieve.

ASL
  simulates
 simulation
 simulate
 simulations

pretend or imitate
The model only simulates the explosion. That way nothing really gets broken. The models simulated explosion was safer then blowing up a real car.

ASL
  sludge

a thick liquid, sewage
The sludge from the sewer pored from the broken pipe.

ASL
  sophisticated

highly developed and complex
The space shuttle is a very complicated and sophisticated rocket.

ASL
  sparse

thinly dispersed or scattered
The hair was sparse on his bald head.

ASL
  stable

not changing

ASL
  state

1. To express with authority
2. A geopolitical section of the United States, for example, the 50 states in America

ASL
  strategy
 strategies

a plan or policy
Karen had a strategy that always let her win at tick tack toe.

ASL
  structure

the way a building or object is constructed or put together
The three legged stool has a stable structure.

ASL
  subtle

not obvious, faint, delicate
Brian's suggestion was so subtle that Bethany thought it was her idea.

ASL
  sulfur

a yellow element that burns with the smell of matches
After the fireworks I could smell the sulfur in the air.

ASL
  surface area

A measure of the number of square units needed to cover the outside of a figure(cfSurface Area and Volume Discussions).

ASL
  survive

To continue to live
Alice was the only person that survived the plane crash.

ASL
  susceptible

people that haven't had the disease so they can get it

ASL
  swept

Past tense of sweep, to brush or move across
As the moon moved in its orbit, an imaginary line connecting the moon to the Earth passed through or swept over an area.

ASL
  symptom
 symptoms

physical or mental sign of disease
The symptoms of a cold are coughing, sneezing, and fever.

ASL
  system of equations

Two or more equations with common variables.

ASL
  systematically

regular, dependable, according to a system
The tournament systematically eliminated the weaker teams.

T 
ASL
  temple

the side of the head between the ear and the forehead
The hair on his temple is turning gray.

ASL
  terminal

the end point, destination, fatal
The terminal bud makes a chemical that slows the growth of all the other buds.

ASL
  termites

an antlike social insect that lives in and eats wood
The floor broke because the termites had eaten tunnels in it.

ASL
  tessellation

A tessellation is a repeated geometric design that covers a plane without gaps or overlaps (cfWhat Is A Tessellation Discussion).

ASL
  tolerate
 tolerance

allow to happen without interfering
It was easy for Betty to tolerate her brother's loud music.

ASL
  total eclipse

The Sun, Earth and Moon line up so the Moon or Sun appears to completely disappear.

ASL
  tough

hard to break, tear or chew
The steak was so tough that I couldn't eat it.

ASL
  toxins

poisons, a chemical that can cause a rash, sickness or death.

ASL
  transition period

time during which a thing changes from one state to another
After the election the government entered a two month transition period.

ASL
  traverses

travels across

ASL
  trunk

the main stem of a tree, the body excluding the head, arms and legs
The bullet proof vest protected his trunk.

U 
ASL
  ultimate

best achievable
The football team's ultimate goal was winning the state championship.

ASL
  uncertainty

How much the answer or data varies from the average answer
Example if the average is 15 cm and the largest was 17 cm. In this experiment the value was 15 + 2 cm. This means my data varied between 15 2 or 13 and 15 + 2 or 17. The uncertainty is expressed as 15 + (plus or minus) 2.

ASL
  uniform

unvarying
George cut the hedge to a uniform length.

ASL
  units

quantity as a standard measurement, meters, grams etc
The units of speed are miles per hour.

V 
ASL
  vaccination

a shot given to immunize against a disease
Doctors give retired people vaccinations against the flu so they won't get sick.

ASL
  vast

very large
The vast ocean stretched as far as Karen could see.

ASL
  vibration

moving back and forth rapidly
During a football game, the drum's vibrations were felt by the deaf players at Gallaudet University.

ASL
  visualize

to imagine a picture
She visualized her dive as she stood on the platform.

ASL
  volume

A measure of the number of cubic units needed to fill the space inside an object (cf Surface Area and Volume Discussion).

W 
ASL
  wander

to move aimlessly or unpredictably

ASL
  waterways

rivers or lakes where boats can sail
Tom rode his jet ski on every waterway in Kansas.
