英语词汇endothermic的起源、历史背景-英语词源词典

词汇	endothermic
词源	endothermic adj. 1869, originally in chemistry, "causing, relating to, or requiring the absorption of heat," from French endothermique (1868, Berthelot); see endo- + thermal. By 1947 in biology, "dependent on or capable of the internal generation of heat; warm-blooded." Entries linking to endothermic endo- word-forming element meaning "inside, within, internal," from Greek endon "in, within" (from PIE en-do-, extended form of root en "in"). thermal adj. 1756, "having to do with hot springs," from French thermal (Buffon), from Greek therme "heat, feverish heat," from PIE root *gwher- "to heat, warm." Sense of "having to do with heat" is first recorded 1837. The noun meaning "rising current of relatively warm air" is recorded from 1933. updated on March 20, 2019
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endothermic adj.