| aet | <chemical> Carbamimidothioic acid 2-aminoethyl ester dihydrobromide. A radiation-protective agent that can inhibit DNA damage by binding to the DNA. It also increases the susceptibility of blood cells to complement-mediated lysis. Pharmacological action: radiation-protective agents. Chemical name: Carbamimidothioic acid, 2-aminoethyl ester, dihydrobromide (12 Dec 1998) |
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| aetheogamous | <botany> Propagated in an unusual way; cryptogamous. Origin: Gr. Unusual (priv. + custom) + marriage. Source: Websters Dictionary (01 Mar 1998) |
| aethiops mineral | <chemistry> Same as Ethiops mineral. Source: Websters Dictionary (01 Mar 1998) |
| aethogen | <chemistry> A compound of nitrogen and boro, which, when heated before the blowpipe, gives a brilliant phosphorescent; boric nitride. Origin: Gr. Fire, light + -gen. Source: Websters Dictionary (01 Mar 1998) |
| aethrioscope | <instrument> An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded. Origin: Gr. Clear + to observe. Source: Websters Dictionary (01 Mar 1998) |
| aetiolated | Subjected to, or characterised by, aetiolation. (05 Mar 2000) |
| aetiolation | 1. Paleness or pallor resulting from absence of light, as in persons confined because of illness or imprisonment, or in plants bleached by being deprived of light. 2. The process of blanching, bleaching, or making pale by withholding light. Origin: Fr. Aetioler, to blanch (05 Mar 2000) |
| aetiologic | Relating to aetiology. (05 Mar 2000) |
| aetiological | Pertaining to aetiology; assigning a cause. Aetiolog"ically. Source: Websters Dictionary (01 Mar 1998) |
| aetiological fraction | <epidemiology> The reduction in disease when a risk factor is removed. If I* is the number of people that a risk factor is responsible for and I is the total number of cases over the same period, then the aetiological fraction is I*/I. Equivalently, the aetiological fraction is (I-Io)/I. Where Io is the number of cases in the absence of the risk factor. Also known as the attributable fraction. (05 Dec 1998) |
| aetiology | <study> A branch of knowledge concerned with the causes of particular phenomena, specifically a branch of medical science concerned with the causes and origins of diseases. The study of factors of causation or those associated with the causation of disease or abnormal body states. Origin: L. Aetiologia, Gr. Aitiologia. (09 Feb 1998) |