endotherm

endotherm

/ˈɛndə(ʊ)θəːm/
noun
Zoology
An animal that is dependent on or capable of the internal generation of heat.
Compare with homeotherm
Often contrasted with ectotherm

Origin
1940s: from endo- ‘within’, on the pattern of homeotherm.

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Though a cat is an endotherm, capable of making its own body heat, it is very fond of lying in a sunny spot on the floor.

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