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変温動物 (henondoubutsu) Japanese meaning: poikilotherm | Kotomora

変へん温おん動どう物ぶつ

へ

ん

お

ん

ど

う

ぶ

つ

Freq.FrequencyTop 100,000

Meanings

1

poikilotherm; cold-blooded animal

Technical term in biology for an animal whose body temperature varies with the environment. In everyday language, 冷血動物 is more common.

See also: 恒温動物 · 冷血動物 · 温血動物

爬は虫ちゅう類るいは変へん温おん動どう物ぶつに分

ぶん

類るい

さ

れる

。

Reptiles are classified as poikilotherms.

変へん温おん動どう物ぶつは外がい気き温おんによって体たい温おんが変へん化かする。

The body temperature of poikilotherms changes with the outside temperature.

Kanji

変unusual, change, strange
温warm
動move, motion, change
物thing, object, matter

Related words

恒こう温おん動どう物ぶつ
恒温動物 is a homeotherm (warm-blooded animal), maintaining a constant body temperature, while 変温動物 is a poikilotherm (cold-blooded animal) whose body temperature varies.
冷れい血けつ動どう物ぶつ
冷血動物 is the common, non-technical term for cold-blooded animals, synonymous with 変温動物 but more widely understood.
温おん血けつ動どう物ぶつ
温血動物 is the common term for warm-blooded animals, contrasting with 変温動物.

Etymology

Compound of 変 (hen, 'change') + 温 (on, 'temperature') + 動物 (dōbutsu, 'animal'). A straightforward modern scientific coinage.