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combustion

noun

Simple meaning

A process in which a substance reacts with oxygen to give heat and light.

Pronunciation

Say it like this:

kuhmbuhschuhn

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IPA pronunciation (US)

kəmˈbʌstʃən

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.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. A process in which a substance reacts with oxygen to give heat and light

  2. A process wherein a fuel is combined with oxygen, usually at high temperature, releasing heat.

  3. A process whereby two chemicals are combined to produce heat.

  4. chemistry

    The act or process of burning.

Word at a Glance

Difficulty
B2 · Upper Intermediate
Frequency
Moderately Common
Typical Use
Neutral / general English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: A process in which a substance reacts with oxygen to give heat and light

Used this way, combustion is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use combustion

  • “Combustion grew until revolt was unavoidable.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

internal combustioncombustion chambercombustion enginespontaneous combustioncomplete combustioncombustion processfuel combustionincomplete combustion

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • A heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy.

  • An internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke.

  • A heat engine in which combustion occurs inside the engine rather than in a separate furnace.

  • internal combustionnounCompound term

    The combustion of fuel inside a cylinder (as in an internal-combustion engine).

  • spontaneous combustionnounCompound term

    Ignition of a substance (as oily rags) resulting from an internal oxidation process.

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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.