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  1. Combustion | Definition, Reaction, Analysis, & Facts | Britannica

    Sep 27, 2025 · combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.

  2. Combustion Definition & Meaning | Britannica Dictionary

    COMBUSTION meaning: 1 : the act of burning; 2 : a chemical reaction that occurs when oxygen combines with other substances to produce heat and usually light

  3. Spontaneous combustion | Ignition, Heat, Oxygen | Britannica

    combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.

  4. Combustion - Chemical Reactions, Heat, Oxidation | Britannica

    Sep 27, 2025 · Flame combustion is most prominent with fuels that have been premixed with an oxidant, either oxygen or a compound that provides oxygen, for the reaction. The temperature …

  5. combustion - Kids | Britannica Kids | Homework Help

    Combustion is a chemical reaction that produces heat and light. The most common form of combustion is fire. Most forms of combustion happen when the gas oxygen joins with another …

  6. Is Spontaneous Human Combustion Real? | Britannica

    Although the scientific support for spontaneous human combustion was weaker than Dickens stated, it was a widely discussed phenomenon in his time. The public largely accepted it as a …

  7. Combustion - Chemical Reactions, Heat, Oxidation | Britannica

    Sep 27, 2025 · Combustion, with rare exceptions, is a complex chemical process involving many steps that depend on the properties of the combustible substance. It is initiated by external …

  8. Combustion - Explosions, Chemical Reactions, Heat | Britannica

    Combustion - Explosions, Chemical Reactions, Heat: The transition from combustion to explosion is caused by an acceleration of the reaction, induced either by a rise in temperature or by …

  9. Combustion - Chemical Reactions, Heat, Oxidation | Britannica

    Sep 27, 2025 · combustion Fire resulting from the combustion of a fuel. Combustion, fire, and flame have been observed and speculated about from earliest times. Every civilization has had …

  10. Fossil fuel | Meaning, Types, & Uses | Britannica

    Nov 20, 2025 · One of the main by-products of fossil fuel combustion is carbon dioxide (CO 2). The ever-increasing use of fossil fuels in industry, transportation, and construction has added …