| AMA | See Adaptive Management Area. (05 Dec 1998) |
|---|---|
| amacratic | <photography> Amasthenic. Origin: Gr. Together + power. Source: Websters Dictionary (01 Mar 1998) |
| amacrine | 1. A cell or structure lacking a long, fibrous process. 2. Denoting such a cell or structure. See: amacrine cell. Origin: G. A-priv. + makros, long, + is (in-), fibre (05 Mar 2000) |
| amacrine cell | <cell biology> A class of neuron of the middle layer of the retina, with processes parallel to the plane of the retina. They are thought to be involved in image processing. (18 Nov 1997) |
| amadavat | <ornithology> The strawberry finch, a small Indian song bird (Estrelda amandava), commonly caged and kept for fighting. The female is olive brown; the male, in summer, mostly crimson. Synonym: red waxbill. Alternative forms: amaduvad and avadavat. Origin: Indian name. From Ahmedabad, a city from which it was imported to Europe. Source: Websters Dictionary (01 Mar 1998) |
| amadou | A spongy, combustible substance, prepared from fungus (Boletus and Polyporus) which grows on old trees; German tinder; punk. It has been employed as a styptic by surgeons, but its common use is as tinder, for which purpose it is prepared by soaking it in a strong solution of niter. Origin: F. Amadou tinder, prop. Lure, bait, fr. Amadouer to allure, caress, perh. Fr. Icel. Mata to feed, which is akin to E. Meat. Source: Websters Dictionary (01 Mar 1998) |
| amalgam | <dentistry> A soft metal which results from an alloy of a metal with mercury. Commonly used as a silver-tin or copper alloy in dentistry for fillings. (08 Jan 1998) |
| amalgam carrier | An instrument used to transport triturated amalgam to a cavity preparation and to deposit it therein. (05 Mar 2000) |
| amalgam matrix | A device used during placement of the amalgam mass within a compound cavity preparation, facilitating proper condensation and contour thereof by providing a confining wall. (05 Mar 2000) |
| amalgam strip | A linen strip without abrasive used to smooth proximal contours of newly placed amalgam restorations. (05 Mar 2000) |
| amalgam tattoo | A bluish-black or gray macular lesion of the oral mucous membrane caused by accidental implantation of silver amalgam into the tissue during tooth restoration or extraction. (05 Mar 2000) |
| amalgamate | To make an amalgam. (05 Mar 2000) |
| amalgamation | The process of combining mercury with a metal or an alloy to form a new alloy. (05 Mar 2000) |
| amalgamator | A device for combining mercury with a metal or an alloy to form a new alloy. (05 Mar 2000) |
| amanita | A genus of fungi of the family agaricaceae, order agaricales; most species are poisonous. (12 Dec 1998) |