poikilothermaladj.

Brit.

/ˌpɔɪkɪlə(ʊ)ˈθəːml/, U.S.

/pɔɪˌkɪləˈθərml/,

/ˌpɔɪkəloʊˈθərml/

Forms: 1800s– poecilothermal (rare), 1800s– poikilothermal.

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

Etymology: < poikilo- comb. form + thermal adj., after German pökilotherm, adjective (now poikilotherm : see poikilothermic adj.). Compare slightly later poikilothermic adj.

Zoology and Physiology.

= poikilothermic 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

1877 Nature 1 Feb. 306/2 Researches..on homoiothermal and..on poikilothermal animals.

1911 J. A. Thomson Biol. Seasons iv. 335 In the hibernating animal..the heat-regulating mechanism ceases to act, and the creature is saved..by becoming temporarily cold-blooded (or poikilothermal).

1954 P. D. Sturkie Avian Physiol. vii. 118 The activity of the poikilothermal animal is influenced greatly by environmental temperature.

1999 Sunday Herald (Glasgow) (Nexis) 4 July 8 It features a fabulous poikilothermal analogy, he explains eagerly... ‘A frog doesn't realise if it is getting hotter or colder.’

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

单词	poikilothermal
释义	poikilothermaladj. Brit. /ˌpɔɪkɪlə(ʊ)ˈθəːml/, U.S. /pɔɪˌkɪləˈθərml/, /ˌpɔɪkəloʊˈθərml/ Forms: 1800s– poecilothermal (rare), 1800s– poikilothermal. Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: poikilo- comb. form, thermal adj. Etymology: < poikilo- comb. form + thermal adj., after German pökilotherm, adjective (now poikilotherm : see poikilothermic adj.). Compare slightly later poikilothermic adj. Zoology and Physiology. = poikilothermic 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 1877 Nature 1 Feb. 306/2 Researches..on homoiothermal and..on poikilothermal animals. 1911 J. A. Thomson Biol. Seasons iv. 335 In the hibernating animal..the heat-regulating mechanism ceases to act, and the creature is saved..by becoming temporarily cold-blooded (or poikilothermal). 1954 P. D. Sturkie Avian Physiol. vii. 118 The activity of the poikilothermal animal is influenced greatly by environmental temperature. 1999 Sunday Herald (Glasgow) (Nexis) 4 July 8 It features a fabulous poikilothermal analogy, he explains eagerly... ‘A frog doesn't realise if it is getting hotter or colder.’ This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1877
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