| Ahura Mazda |
in Zoroastrianism, the supreme deity and creator of the world; Ormazd. |
| A.I. |
abbreviation of "artificial intelligence." |
| ai1 |
used as an expression of distress, pity, surprise, or the like. |
| ai2 |
a large three-toed sloth of Central and South America, whose coat has a greenish tinge from the algae that live in it. |
| aid |
to provide assistance, help, or relief to. [4 definitions] |
| aide |
a military officer who serves as confidential assistant to a commanding officer such as a general. [2 definitions] |
| aide-de-camp |
a military or naval officer serving as assistant to a general or admiral. |
| aidman |
an enlisted medical corpsman attached to a combat unit. |
| AIDS |
acronym of "acquired immune deficiency syndrome," a serious viral disease of the body's immune system, transferred through blood, sexual contact, contaminated hypodermic needles, or the like. |
| AIDS-related complex |
a condition characterized by enlargement of the lymph nodes that may be an early sign of AIDS. |
| aigrette |
a head ornament made of an upright tuft of egret tail feathers. |
| aikido |
a system of self-defense, originating in Japan, in which an opponent's strength and weight are used against him or her by using specific throws and holds. |
| ail |
to distress or cause illness or discomfort to. [2 definitions] |
| ailanthus |
a deciduous tree, originating in Asia, with fernlike leaves and clusters of greenish flowers with an offensive odor. |
| aileron |
a movable flap on the rear edge of an airplane's wing, used to control rolling and banking. |
| ailing |
in poor or weakened health or condition; sickly or sick. |
| ailment |
a sickness or disorder, usu. physical; illness. |
| aim |
to point carefully (usu. a weapon), with the intention of hitting a target. [8 definitions] |
| aimless |
characterized by or having no purpose. |
| ain't |
(informal) contracted form of "am not," "is not," "are not," "have not," or "has not." |
| Ainu |
a member of an aboriginal people native to the northernmost islands of Japan, noted for their ample body hair. [3 definitions] |