変へん温おん動どう物ぶつへんおんどうぶつFreq.FrequencyTop 100,000Meanings1nounpoikilotherm; cold-blooded animalTechnical 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