| antifreeze |
a substance that lowers the freezing point of a liquid such as water. |
| Antigua and Barbuda |
a country in the Caribbean Sea made up of three islands. The capital of Antigua and Barbuda is St. John's. |
| antique |
from or made in a time long ago. [2 definitions] |
| antiseptic |
a substance or drug that kills germs that cause disease or decay. |
| antitoxin |
an antibody formed in the body to act against a specific poison. |
| antler |
one of a pair of bony growths on the head of most kinds of deer. Male elk, moose, and white-tailed deer all grow antlers with branches or prongs. Deer grow new antlers every year. Caribou and reindeer are the only deer that have antlers on both the males and the females. |
| antonym |
a word that has the opposite meaning of another word. |
| anvil |
a heavy metal block with a flat top on which heated metal objects are hammered into shapes. |
| anxiety |
a feeling of being worried, nervous, or afraid that something will happen. |
| anxious |
feeling worried, nervous, or afraid about something uncertain. [2 definitions] |
| any |
one or some, no matter which or how many. [5 definitions] |
| anybody |
any person; anyone. |
| anyhow |
in any way at all. [2 definitions] |
| anymore |
any longer. |
| anyone |
any person; anybody. |
| anyplace |
in or to any place; anywhere. |
| anything |
any thing, happening, or subject whatever. [3 definitions] |
| anytime |
at any moment, hour, or day; whenever. |
| anyway |
in any case; anyhow; no matter what happens. |
| anywhere |
to or in any place or direction; at any place. |
| aorta |
the main artery of the body. The aorta carries blood from the left side of the heart to all parts of the body except the lungs. |