CEFR C1

poikilotherm

noun

Meaning

An animal that has a body temperature that varies with the surrounding environment, as opposed to a homeotherm (warm-blooded animal).

Examples

Reptiles, amphibians, and fish are common examples of poikilotherms.
The frog's ability to survive in cold water is a testament to its poikilotherm nature.

Synonyms: cold-blooded, ectotherm, heterotherm

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poikilotherm (C1)

noun

Pronunciation: /pɔɪˈkɪləθɜːm/

Definition

An animal that has a body temperature that varies with the surrounding environment, as opposed to a homeotherm (warm-blooded animal).

Examples

Reptiles, amphibians, and fish are common examples of poikilotherms.
The frog's ability to survive in cold water is a testament to its poikilotherm nature.
Unlike mammals, poikilotherms cannot internally regulate their body temperature.

Synonyms of poikilotherm

Words with a similar meaning to poikilotherm:

Antonyms of poikilotherm

Words with the opposite meaning to poikilotherm:

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