| a-2 |
a prefix that means "away," "from," or "off." [1/2 definitions] |
| abalone |
a large sea snail that has several shiny colors on the inside of its shell. Abalone are mollusks. People eat abalone meat and make decorations from the shells. |
| absent |
not present; away from where one usually is. |
| absentee |
a person who is absent from work, school, or other duty. |
| accent |
a way of speaking a language that is typical of people from a particular area. [1/5 definitions] |
| acid rain |
rain that contains acid from pollution. |
| acquaintance |
knowledge of something that comes from personal experience. [1/2 definitions] |
| acquit |
to free from a charge of breaking the law; declare not guilty. |
| across |
from one side to the other of. [2/5 definitions] |
| adolescent |
having to do with the period when a person is changing from a child to an adult. [2 definitions] |
| advantage |
the good or benefit that is gained from something. [1/2 definitions] |
| afar |
at, to, or from a distance; far off. |
| afield |
away from one's home. [1/2 definitions] |
| AIDS |
a serious disease caused by a virus that stops the body from being able to protect itself from other diseases. "AIDS" stands for "acquired immune deficiency syndrome." |
| air bag |
a bag in the front of some cars that blows up with air instantly in a crash to stop the passengers from being thrown forward. |
| airline |
a system of transportation that allows people to fly from one place to another, or a business that owns and operates the equipment to do this. |
| airliner |
a large airplane used to fly people from one place to another. |
| akimbo |
with hand on hip and elbow pointed away from the body. |
| alcohol |
a clear liquid that burns easily and can be made from certain grains and fruits. Alcohol is present in such drinks as beer, wine, and whiskey. It is also used in making medicines and chemicals. [1/2 definitions] |
| alcoholic |
suffering from alcoholism. [1/2 definitions] |
| algae |
organisms that live mainly in the water and make their food through photosynthesis. Algae are different from plants in that they have no true leaves, roots, or stems. Seaweeds are algae. "Algae" is a plural noun; the singular form is "alga." |