Meaning of endotherm in English:


Pronunciation /ˈɛndə(ʊ)θəːm/


  • An animal that is dependent on or capable of the internal generation of heat.

    Often contrasted with ectotherm
    Compare with homeotherm

    ‘They are endotherms and they can finely tune the thermal, water, and chemical balance of their bodies from minute to minute.’
    • ‘However, the problem is severe for an endotherm, particularly a small endotherm, which must maintain a steady internal temperature and has a considerably greater demand for respiratory oxygen.’
    • ‘Extant birds are accomplished endotherms and many maintain the highest body temperatures.’
    • ‘Differential expression of seasonal energetic adaptations generates a continuum in the trophic status of endotherms during winter.’
    • ‘For example, display and assessment of potential mates may be less costly for endotherms at higher temperatures than at lower temperatures.’


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