| 单词 |
abiotic |
| 释义 |
abiotic, a.|eɪbaɪˈɒtɪk|
[f. a- prefix 14 + biotic a.; cf. Gr. ἄβιος without life.]
a. Characterized by the absence of life; inanimate.
b. That is harmful to or destructive of living organisms.
1893in Dunglison Dict. Med. Sci. 1950F. D. Howitt in Brit. Encycl. Med. Practice (ed. 2) I. 158 Ultra-violet rays between 1,894 Å and 2,900 Å are called abiotic rays, for they are inimical to life. 1952New Biol. XII. 99 In abiotic times, such molecules, rich in free energy, might survive for long periods. 1961J. Keosian in Encycl. Biol. Sciences 672/2 Abiotic synthesis of organic compounds, first simple then complex, preceded the origin of life on earth.
Hence ˌabiˈotically adv., in an abiotic manner; without the involvement of living cells or organisms.
1952New Biol. XIII. 125 N. H. Horowitz..attributes the evolution of enzyme chains and cycles to an adaptive response to the using up of the limited stock of abiotically formed energy-rich molecules. 1970Nature 5 Dec. 924/2 The discovery..supports the hypothesis that the whole collection of amino-acids was produced abiotically. 1982Geol. Rundschau LXXI. 1 (heading) Organic compounds in the early atmosphere formed abiotically from atomic carbon. |
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