adjective

exothermic

exothermic

Burning wood is an exothermic reaction.

Burning wood is an exothermic reaction.

The chemical process was highly exothermic.

The chemical process was highly exothermic.

((an exothermic reaction)) a reaction that releases heat Burning wood is an exothermic reaction.

Synonyms: heat-releasing; Antonyms: endothermic

From Greek 'exo-' meaning 'outside' and 'thermē' meaning 'heat'. It means releasing heat to the outside.

'Exo-' means 'out' (like exit) and 'therm' relates to heat (like thermometer). So, heat goes out.

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