AskDefine | Define combustible

Dictionary Definition

combustible adj : capable of igniting and burning [ant: noncombustible] n : a substance that can be burned to provide heat or power [syn: combustible material]

User Contributed Dictionary



  1. Capable of burning
    Dumping fertilizer on top of whatever mysterious goop was in the storage tank created a combustible mix which caught on fire.

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  1. A material that is capable of burning.



  1. combustible


  1. fuel

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Extensive Definition

Combustibility is generally defined as the quality of substances to chemically react exothermically with oxygen. This definition can be generalized to the reaction with other oxidizing agents.
Combustibility, although a pre-condition for inflammability is not directly correlated with measures like the flash point, because combustible substances can be poorly inflammable. In relation to Lavoisier's law of conservation of matter, which states that matter can be neither created nor destroyed only altered, the combustion or burning of a substance causes a chemical change, but does not decrease the mass of the original matter. The mass of the remains (ash, water, carbon dioxide, and other gases) is the same as it was prior to the burning of the matter.
combustible in German: Brennbarkeit

Synonyms, Antonyms and Related Words

accendible, alcohol, benzine, briquette, burnable, butane, carbon, charcoal, coal, coke, dope, ethane, ethanol, explosive, fiery, fireball, firing, flammable, flammable material, fuel, fuel additive, fuel dope, gas, gas carbon, gasoline, hasty, heptane, hexane, hot, hot-tempered, hotheaded, inflammable, inflammable material, isooctane, jet fuel, kerosene, methane, methanol, natural gas, octane, oil, paraffin, passionate, peat, pentane, peppery, propane, propellant, quick, quick-tempered, rocket fuel, short-tempered, spunky, turf, volcanic
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