Definition of heat sink in English:

heat sink

Syllabification: heat sink

noun

  • A device or substance for absorbing excessive or unwanted heat.
    More example sentences
    • Either way, the gauze, acting as a heat sink, removes the thermal energy from the system so that the temperature above or below it is not sufficient to ignite the gas.
    • Every computer contains a device known as a heat sink.
    • The expanding universe is quite an effective heat sink.

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Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space