exothermic

IPA/ˌeksəʊˈθɜːmɪk/
KK[ˌɛksoθˈɚmɪk]IPA/ˌeksəʊˈθɜːrmɪk/

exothermic — adjective

  • exothermicpositive
  • more exothermiccomparative
  • most exothermicsuperlative

1. used to describe reactions and processes that release heat into their surroundin

1.形容詞B2
釋義

used to describe reactions and processes that release heat into their surroundings, making nearby objects, containers, or liquids become warmer

例句

When Brandon mixed the two chemicals, an exothermic reaction turned the beaker hot.

exothermic reaction + heats up container

The exothermic process in the factory furnace produces enough heat to melt steel.

exothermic process in industrial setting

同義詞
  • heat-releasing

    less formal, descriptive alternative

  • heat-producing

    emphasises the generation of heat

  • exergonic

    more specific; used in biochemistry for reactions that release energy (not just heat)

反義詞
  • endothermic

    describes a reaction or process that absorbs heat from the surroundings

用法筆記

Used mainly in chemistry and physics contexts. Frequently paired with nouns like 'reaction', 'process', or 'change'. The opposite is endothermic, which means absorbing heat.

常見錯誤

❌Ice melting is an exothermic reaction.
✅Ice melting is an endothermic reaction.
💡exothermic means heat is released; endothermic means heat is absorbed.