heat sink
noun
Simple meaning
An object, system or environment that absorbs and dissipates heat from objects in thermal contact with it.
Pronunciation
Say it like this:
heetsingkSay the bold part a little louder.
IPA pronunciation (US)
ˈhitˈsɪŋk
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
thermodynamics
An object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it.
thermodynamics
A place toward which the heat moves in a system.
thermodynamics
A material capable of absorbing heat.
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: (thermodynamics) An object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it.
Used this way, heat sink is a specialist word that usually carries little praise or criticism of its own. This is a scientific use: it names something precisely within a field of study, so it appears in research and teaching more than in conversation.
- Emotional tone
- Neutral
- Formality
- Specialist/technical
- Intensity
- Not strongly marked
- How common
- Specialized
- Connotation
- Clinical and technical
- Usage feel
- Technical and specialized
Where it naturally appears
- Science
- Academic writing
- Technical/specialist writing
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.