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combustion

[kuh m-buhs-chuh n]
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noun
  1. the act or process of burning.
  2. Chemistry.
    1. rapid oxidation accompanied by heat and, usually, light.
    2. chemical combination attended by production of heat and light.
    3. slow oxidation not accompanied by high temperature and light.
  3. violent excitement; tumult.
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Origin of combustion

1400–50; late Middle English (< Middle French) < Late Latin combūstiōn- (stem of combūstiō). See combust, -ion
Related formscom·bus·tive, adjectivenon·com·bus·tion, nounnon·com·bus·tive, adjectivepre·com·bus·tion, nounself-com·bus·tion, nounun·com·bus·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for self-combustion

combustion

noun
  1. the process of burning
  2. any process in which a substance reacts with oxygen to produce a significant rise in temperature and the emission of light
  3. a chemical process in which two compounds, such as sodium and chlorine, react together to produce heat and light
  4. a process in which a compound reacts slowly with oxygen to produce little heat and no light
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Derived Formscombustive, noun, adjective

Word Origin

C15: from Old French, from Latin combūrere to burn up, from com- (intensive) + ūrere to burn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for self-combustion

combustion

n.

early 15c., from Old French combustion (13c.), from Latin combustionem (nominative combustio) "a burning," noun of action from past participle stem of Latin comburere "to burn up, consume," from com-, intensive prefix (see com-), + *burere, faulty separation of amburere "to burn around," actually ambi-urere, from urere "to burn, singe," from PIE root *eus- "to burn" (see ember).

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Online Etymology Dictionary, © 2010 Douglas Harper

self-combustion in Medicine

combustion

(kəm-bŭschən)
n.
  1. The process of burning.
  2. A chemical change, especially oxidation, accompanied by the production of heat and light.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

self-combustion in Science

combustion

[kəm-bŭschən]
  1. The process of burning.
  2. A chemical change, especially through the rapid combination of a substance with oxygen, producing heat and, usually, light. See also spontaneous combustion.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

self-combustion in Culture

combustion

Burning; a chemical reaction that involves the rapid combination of a fuel with oxygen. (See oxidation and spontaneous combustion.)

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.