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单词 poikilothermism
释义

poikilothermismn.

Brit. /ˌpɔɪkɪlə(ʊ)ˈθəːmɪz(ə)m/, U.S. /pɔɪˌkɪləˈθərˌmɪz(ə)m/, /ˈˌpɔɪkəloʊˈθərˌmɪz(ə)m/
Origin: Formed within English, by derivation. Etymons: poikilothermic adj., poikilothermal adj., poikilothermous adj., -ism suffix.
Etymology: < poikilotherm- (in either poikilothermic adj., poikilothermal adj., or poikilothermous adj.) + -ism suffix. Compare later poikilothermy n., poikilothermia n.
Zoology and Physiology.
= poikilothermy n. Also (Medicine): = poikilothermia n.
ΘΚΠ
the world > animals > animal body > general parts > internal organs and systems > [noun] > thermogenesis > being of varying body temperature
poikilothermism1903
poikilothermia1921
poikilothermy1939
1903 Jrnl. Physiol. 29 369 (heading) Poikilothermism in rabies.
1937 Q. Rev. Biol. 12 65/2 The marmot..assumes a state of poikilothermism as an adaptation against unfavorable environment.
1972 Compar. Biochem. & Physiol. B. 42 693 Homoiotherms undergo a developmental transition from poikilothermism during embryonic development to homoiothermism in maturity.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1903
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