| ampersand |
a sign (&). It is used in place of the word "and." |
| amphibian |
a small animal that spends part of its life cycle in water and part of its life cycle on land. Amphibians hatch in water and breathe with gills. Then they develop lungs so the adults can breathe air. Amphibians are cold-blooded animals with skeletons inside their bodies. Frogs, toads, and salamanders are amphibians. [2 definitions] |
| amphibious |
able to live both on land and in water. [2 definitions] |
| amphitheater |
an oval or round building with seats rising in rows from an open, central area. Amphitheaters are used for sports and other public events. |
| amphitheatre |
a spelling of "amphitheater" used in Canada and Britain. See "amphitheater" for more information. |
| ample |
large in size, amount, or space; as much or more than is needed. |
| amplifier |
an electronic device used to make sound louder. |
| amplify |
to make larger or greater. [2 definitions] |
| amputate |
to cut off, especially by surgery. |
| Amsterdam |
the official capital city of the Netherlands. Most of the government of the Netherlands is located in another city, The Hague. |
| amt. |
abbreviation of "amount." |
| amuse |
to hold the interest of in a pleasant way; entertain. [2 definitions] |
| amusement |
something that amuses or entertains; fun. [2 definitions] |
| amusement park |
an outdoor place with games, rides, and other forms of entertainment. |
| amusing |
producing laughter; funny. [2 definitions] |
| -an |
a suffix that means "from," "belongs to," or "lives in." [2 definitions] |
| an |
another word for a. It is used before words that start with a, e, i, o, or u, or before words that begin with vowel sounds. |
| anaconda |
a very large snake found in South America. Anacondas are not venomous but kill other animals by squeezing them until they cannot breathe. Anacondas can grow to over twenty feet long. |
| anaemia |
another spelling of anemia. |
| analog |
representing information by physical measurements. |
| analog clock |
a clock that displays the time using a long hand to show the hour and a short hand to show the minutes. |