英语词汇“ectothermic”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

ectothermic

释义

ectothermic, a. Zool.|ˌɛktə(ʊ)ˈθɜːmɪk|
[f. ectotherm n. + -ic.]
Characterized by a body temperature that is entirely determined by the environment. Cf. poikilothermic a. Opp. *endothermic a. 2.
1946Science 18 Jan. 2664/1 If cold-blooded, they were definitely ectothermic in nature, that is, they derived their chief source of heat from outside of the body in direct contrast to the later warm-blooded or endothermic types in which temperatures are chiefly a result of metabolic activity.1961C. H. Pope Giant Snakes 111 For ‘warm-blooded’ they use endothermic, and for ‘cold-blooded’, ectothermic.1972Sci. Amer. June 71/2 Most small invertebrate animals have such high rates of heat transfer between themselves and the environment that their energy metabolism contributes little or nothing to the heat content of the body. Such organisms are called ectothermic.1980Nature 24 Jan. 381/1 Exceptionally small neonates of modern endotherms are commonly ectothermic at birth.

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