English Lexicon

Chemical energy

/ˈkɛm.ɪ.kəl ˈɛn.ɚ.dʒi/
nounCEFR B2 (Upper)Top #4500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The potential of a chemical substance to undergo a transformation through a chemical reaction or to transform other chemical substances.

    "Batteries store chemical energy that can be converted into electrical energy."
  2. 2

    Energy released during a chemical reaction, especially in the form of heat.

    "The combustion of gasoline releases chemical energy that powers the engine."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term combines 'chemical', derived from the Greek 'khēmeia' via medieval Latin, relating to alchemy and material composition, with 'energy', originating from the Greek 'energeia' meaning activity or operation. Formulated during the development of 19th-century thermodynamics to describe the potential of chemical substances to undergo transformation.

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