| abiogenist | <biology> One who believes that life can be produced independently of antecedent. Source: Websters Dictionary (01 Mar 1998) |
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| abiogenous | <biology> Produced by spontaneous generation. Source: Websters Dictionary (01 Mar 1998) |
| abiogeny | <study> The scientific study of how life originally arose on the planet, presumably from nonliving things and the presence of nonliving organic matter. (09 Oct 1997) |
| abiological | Pertaining to the study of inanimate things. (11 Mar 1998) |
| abioseston | <biology> A general term for dead organic material floating suspended in ocean water. (06 May 1997) |
| abiotic | <biology> Refers to nonliving objects, substances or processes. (06 May 1997) |
| abiotic stress | <botany> Nonliving environmental factors (such as drought, extreme cold or heat, high winds) that can have harmful effects on plants. (06 May 1997) |
| abiotic transformation | <biochemistry> An abiotic transformation is any process in which a chemical in the environment is altered by non-biological mechanisms (such as by exposure to sunlight). (09 Oct 1997) |
| abiotrophy | <biology> Premature loss of a cell or tissues ability to function. (06 May 1997) |
| abirritant | <pharmacology> A medicine that diminishes irritation. (11 Mar 1998) |
| abirritate | <medicine> To diminish the sensibility of; to debilitate. Source: Websters Dictionary (01 Mar 1998) |
| abirritation | <medicine> A pathological condition opposite to that of irritation; debility; want of strength; asthenia. Source: Websters Dictionary (01 Mar 1998) |
| abirritative | <medicine> Characterised by abirritation or debility. Source: Websters Dictionary (01 Mar 1998) |
| abl | <bacteria> A gram-negative, rod shaped flagellated bacterium responsible for crown gall tumour in plants. Following infection the T1 plasmid from the bacterium becomes integrated into the host plant's DNA and the presence of the bacterium is no longer necessary for the continued growth of the tumour. (18 Nov 1997) |
| ablactation | 1. <zoology> The weaning of a child from the breast, or of young beasts from their dam. 2. <botany> The process of grafting now called inarching, or grafting by approach. (11 Mar 1998) |