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  1. Dictionary
    Spon·ta·ne·ous com·bus·tion
    /spänˈtānēəs kəmˈbəsCHən/

    noun

    • 1. the ignition of organic matter (e.g. hay or coal) without apparent cause, typically through heat generated internally by rapid oxidation.

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  3. en.wikipedia.org › wiki › Spontaneous_combustionSpontaneous combustion - Wikipedia

    Spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self-heating (increase in temperature due to exothermic internal reactions), followed by thermal runaway (self heating which rapidly accelerates to high temperatures) and finally, autoignition.

  4. www.britannica.com › science › spontaneous-combustionSpontaneous combustion | Ignition, Heat, Oxygen | Britannica

    Spontaneous combustion, the outbreak of fire without application of heat from an external source. Spontaneous combustion may occur when combustible matter, such as hay or coal, is stored in bulk. It begins with a slow oxidation process (as bacterial fermentation or atmospheric oxidation) under.

    • The Editors of Encyclopaedia Britannica

  5. www.merriam-webster.com › dictionary › spontaneousSpontaneous combustion Definition & Meaning - Merriam-Webster

    Jan 9, 2023 · The meaning of SPONTANEOUS COMBUSTION is self-ignition of combustible material through chemical action (such as oxidation) of its constituents —called also spontaneous ignition.

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  7. www.sciencedirect.com › spontaneous-combustionSpontaneous Combustion - an overview | ScienceDirect Topics

    Spontaneous combustion is the phenomenon in which a hydrocarbon (or a chemical substance) substance unexpectedly bursts into flame without apparent cause. In ordinary combustion, the hydrocarbon is deliberately heated to its ignition point to make it burn.

  8. chem.libretexts.org › Bookshelves › Introductory20.3: Spontaneous and Nonspontaneous Reactions

    A spontaneous reaction is one in which product formation is favored, even if the reaction is extremely slow. A piece of paper will not suddenly burst into flames, although its combustion is a spontaneous reaction.

  9. www.popularmechanics.com › science › a42297841Spontaneous Combustion, Explained: Causes, Examples, Human Cases

    Jan 9, 2023 · Spontaneous combustion is a chemical reaction, plain and simple. The core reaction is oxidation, when materials degrade while exposed to oxygen. The reaction releases heat, and...

  10. dictionary.cambridge.org › spontaneous-combustionSPONTANEOUS COMBUSTION - Cambridge English Dictionary

    spontaneous combustion. noun [ U ] uk / spɒnˌteɪ.ni.əs kəmˈbʌs.tʃ ə n / us / spɑːnˌteɪ.ni.əs kəmˈbʌs.tʃ ə n /. Add to word list. Add to word list. a situation in which something suddenly starts to burn without any obvious cause. SMART Vocabulary: related words and phrases. Burning, burnt & on fire. afire.

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