poikilothermicadj.

Brit.

/ˌpɔɪkɪlə(ʊ)ˈθəːmɪk/, U.S.

/pɔɪˌkɪləˈθərmɪk/,

/ˌpɔɪkəloʊˈθərmɪk/

Forms: 1800s– poecilothermic (rare), 1800s– poikilothermic.

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: poikilo- comb. form, thermic adj.

Etymology: < poikilo- comb. form + thermic adj., after German pökilotherm, adjective (now poikilotherm ; C. Bergmann 1847, in Göttinger Studien (Math. u. Naturwissensch. Abhandl.) I. 613). Compare slightly earlier poikilothermal adj.

Zoology and Physiology.

Having a body temperature that changes in response to ambient temperature; displaying poikilothermy, cold-blooded. Opposed to homoeothermic. Cf. ectothermic adj.

ΘΚΠ

the world > animals > animal body > general parts > internal organs and systems > [adjective] > relating to thermogenesis > having varying body temperature

poikilothermal1877

poikilothermic1884

poikilothermous1895

poikilotherm1954

1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta 74 Most of the lower animals are poikilothermic, or, as they have less appropriately been called, cold-blooded.

1928 A. S. Pearse & F. G. Hall Homoiothermism i. 2 The change from the poikilothermic to the homoiothermic condition.

1992 Sci. Amer. Aug. 44/2 As a result of high heat exchange, small body size and low rates of metabolic heat production, naked mole rats are poikilothermic, or cold-blooded.

2003 Pract. Fishkeeping Aug. 8/1 Fish are poikilothermic—their bodies are at the same temperature as their environment.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	poikilothermic
释义	poikilothermicadj. Brit. /ˌpɔɪkɪlə(ʊ)ˈθəːmɪk/, U.S. /pɔɪˌkɪləˈθərmɪk/, /ˌpɔɪkəloʊˈθərmɪk/ Forms: 1800s– poecilothermic (rare), 1800s– poikilothermic. Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: poikilo- comb. form, thermic adj. Etymology: < poikilo- comb. form + thermic adj., after German pökilotherm, adjective (now poikilotherm ; C. Bergmann 1847, in Göttinger Studien (Math. u. Naturwissensch. Abhandl.) I. 613). Compare slightly earlier poikilothermal adj. Zoology and Physiology. Having a body temperature that changes in response to ambient temperature; displaying poikilothermy, cold-blooded. Opposed to homoeothermic. Cf. ectothermic adj. ΘΚΠ the world > animals > animal body > general parts > internal organs and systems > [adjective] > relating to thermogenesis > having varying body temperature poikilothermal1877 poikilothermic1884 poikilothermous1895 poikilotherm1954 1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta 74 Most of the lower animals are poikilothermic, or, as they have less appropriately been called, cold-blooded. 1928 A. S. Pearse & F. G. Hall Homoiothermism i. 2 The change from the poikilothermic to the homoiothermic condition. 1992 Sci. Amer. Aug. 44/2 As a result of high heat exchange, small body size and low rates of metabolic heat production, naked mole rats are poikilothermic, or cold-blooded. 2003 Pract. Fishkeeping Aug. 8/1 Fish are poikilothermic—their bodies are at the same temperature as their environment. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1884
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