Meaning & use

endothermic

adjective·Academic

Describing a chemical reaction or process that absorbs heat from its surroundings.

See it in a sentence

Melting ice is an endothermic process because it absorbs heat from the surrounding air.

The endothermic reaction cooled the flask noticeably as it drew in energy from the room.

A note on using this word

Endothermic is the opposite of exothermic, which describes a reaction that releases heat rather than absorbing it.

Words with a similar meaning

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Words with an opposite meaning

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