heat sink

noun

An object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it.

Opposite
heat source

Meanings

nounheat sink (plural heat sinks)

plural heat sinks · alternative heatsink

  1. natural sciencesAn object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it.
  2. natural sciencesA place toward which the heat moves in a system.
  3. natural sciencesA material capable of absorbing heat.

Synonyms & antonyms

Opposite
heat source

Translations

Bulgarian радиатор
  • радиатор (radiator)material capable of absorbing heat
Catalan dissipador tèrmic
  • dissipador tèrmicmaterial capable of absorbing heat
Chinese Mandarin 散热片
  • 散热片material capable of absorbing heat
Dutch koellichaam
  • koellichaammaterial capable of absorbing heat
Finnish lämpönielu, jäähdytyselementti
  • lämpönielumaterial capable of absorbing heat
  • jäähdytyselementtimaterial capable of absorbing heat
  • jäähdytyssiilimaterial capable of absorbing heat
  • jäähdytysripamaterial capable of absorbing heat
  • jäähdytyslevymaterial capable of absorbing heat
French dissipateur thermique
  • dissipateur thermiquematerial capable of absorbing heat
Greek ψύκτρα
  • ψύκτρα (psýktra)material capable of absorbing heat
Italian dissipatore
  • dissipatorematerial capable of absorbing heat
Japanese ヒートシンク
  • ヒートシンク (hīto shinku)material capable of absorbing heat
Norwegian Bokmål kjøleribbe
  • kjøleribbematerial capable of absorbing heat
Portuguese dissipador, dissipador de calor
  • dissipadormaterial capable of absorbing heat
  • dissipador de calormaterial capable of absorbing heat
  • radiadormaterial capable of absorbing heat
Russian радиа́тор
  • радиа́тор (radiátor)material capable of absorbing heat
Spanish disipador, disipador de calor
  • disipadormaterial capable of absorbing heat
  • disipador de calormaterial capable of absorbing heat
  • disipador térmicomaterial capable of absorbing heat
  • disipador calóricomaterial capable of absorbing heat
Swedish värmesänka
  • värmesänkamaterial capable of absorbing heat
Tagalog tapunang-init
  • tapunang-initmaterial capable of absorbing heat
Cite this entry
APA

heat sink. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/heat%20sink

MLA

“heat sink.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heat%20sink. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “heat sink,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/heat%20sink.

Source: heat sink on Wiktionary, CC BY-SA 4.0.