冷れい血けつ動どう物ぶつれいけつどうぶつMeanings1nouncold-blooded animalBiological term for animals whose body temperature varies with the environment; synonymous with 変温動物.See also: 変温動物爬は虫ちゅう類るいは冷れい血けつ動どう物ぶつです。