| art. |
abbreviation of "article," in English grammar, the words "a," "an," and "the," which are used with nouns and act to limit the nouns' applications. (See "definite article," "indefinite article.") |
| art deco |
(sometimes cap.) a decorative style of the 1920s and 1930s that featured geometric shapes and bold colors and that was applied to furniture, glass and plastic ware, graphic productions, architecture, and the like. |
| artefact |
variant of artifact. |
| Artemis |
in Greek mythology, a goddess associated with the moon, virginity, and hunting; Diana. |
| arterial |
of, relating to, or similar to the arteries. [3 definitions] |
| arterialize |
to change (blood from the veins) into blood for the arteries through the addition of oxygen in the lungs. |
| arteriography |
examination of the arteries by x-ray after injection with a radiopaque dye. |
| arteriole |
a blood vessel located between an artery and a capillary. |
| arteriosclerosis |
a chronic disease of the arteries in which inelastic and thickened vessel walls reduce blood flow. |
| artery |
a vessel that carries blood away from the heart. (Cf. vein.) [2 definitions] |
| artesian well |
a well dug through impermeable strata, reaching water that is under pressure. |
| artful |
cunning or crafty. [3 definitions] |
| arthralgia |
pain in one or more of one's joints. |
| arthritis |
a disease of the joints in which they become painfully inflamed. |
| arthro- |
joint. |
| arthropod |
a class of invertebrates with hard, segmented bodies and jointed legs, including insects, spiders, crustaceans, and myriapods. |
| arthroscope |
an instrument in the shape of a fine tube that is used, in conjunction with fiber optics, for diagnosing and treating ailments of the joint. |
| arthroscopy |
examination of or minor surgery on a joint using an arthroscope. |
| Arthur |
in legend, esp. as codified by Thomas Malory in the sixteenth-century Morte d'Arthur, the King of Britain and the leader of the Knights of the Round Table. |
| artichoke |
a tall thistlelike plant whose flower head, composed of thick, leaflike scales, is cooked and eaten. [2 definitions] |
| article |
a single item or thing, esp. one of a class or group. [4 definitions] |