convection
noun
Simple meaning
The transfer of heat through a fluid caused by molecular motion.
Pronunciation
Say it like this:
kuhnvehkshuhnSay the bold part a little louder.
IPA pronunciation (US)
kənˈvɛkʃən
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
physics
The transfer of heat through a fluid (liquid or gas) caused by molecular motion
physics
The transmission of heat in a fluid by the circulation of currents.
meteorology
The vertical movement of heat and moisture, especially by updrafts and downdrafts in an unstable air mass. The terms convection and thunderstorm are often used interchangeably, although thunderstorms are only one form of convection. Towering cumulus clouds are visible forms of convection.
Word at a Glance
- Difficulty
- C1 · Advanced
- Frequency
- Moderately Common
- Typical Use
- Varies by meaning
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: The transfer of heat through a fluid (liquid or gas) caused by molecular motion
Used this way, convection 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.
More ways to use convection
- “The convection oven circulates hot air, cooking the food more evenly and quickly.”noun
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Common Patterns and Combinations
How this word naturally appears with others.
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What Does It Mean Here?
Words can change meaning depending on context.
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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.