com|bus|tion

com|bus|tion
com|bus|tion «kuhm BUHS chuhn», noun.
1. the act or process of burning; consumption or destruction by fire. Many houses are heated by combustion of coal, oil, or gas. »

The explosion in the coal mine was caused by the combustion of gases.

2. Chemistry. a) rapid oxidation accompanied by heat and light, for example, when hydrogen bus in the atmosphere: »

The majority of the examples of combustion encountered by the average man are those of the rapid oxidation of easily ignited materials by atmospheric oxygen (W. N. Jones).

 b) chemical combination attended by heat and light.
3. slow oxidation not accompanied by high temperature and light. Food is transformed into energy in an animal body by this type of combustion.
4. Figurative. violent excitement; tumult; confusion. SYNONYM(S): commotion, disorder, hubbub.
╂[< Latin combustiō, -ōnis < combūrere to burn, ultimately < com- completely + ūrere to burn]

Useful english dictionary. 2012.

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Look at other dictionaries:

  • ex|ter|nal-com|bus|tion engine — «ehk STUR nuhl kuhm BUHS chuhn», an engine in which the pressure is produced by fuel ignited outside the cylinder, as a steam engine …   Useful english dictionary

  • in|ter|nal-com|bus|tion — «ihn TUR nuhl kuhm BUHS chuhn», adjective. having to do with or relating to internal combustion engines …   Useful english dictionary

  • com·bus·tion — /kəmˈbʌsʧən/ noun [noncount] technical 1 : the act of burning Combustion may occur at high temperatures. see also ↑spontaneous combustion 2 technical : a chemical reaction that occurs when oxygen combines with other substances to produce heat and …   Useful english dictionary

  • com — com·bas·sou; com·bat·ive; com·bat·ive·ly; com·bat·ive·ness; com·ba·tiv·i·ty; com·bin·abil·i·ty; com·bin·able; com·bi·na·tion·al; com·bi·na·tion·al·ism; com·bi·na·tive; com·bi·na·to·ry; com·bined; com·bine·ment; com·bin·er; com·bi·net; com·bite;… …   English syllables

  • mox|i|bus|tion — «MOK suh BUHS chuhn», noun. the use of moxa in medicine, especially as a cauterizing agent: »Next, the doctor resorted to another traditional Chinese treatment called moxibustion: he lit two pieces of an herb called ai or ngai (Artemisia vulgaris …   Useful english dictionary

  • tion — ab·bre·vi·a·tion; ab·di·ca·tion; ab·duc·tion; ab·er·ra·tion; ab·er·ra·tion·al; ab·jec·tion; ab·junc·tion; ab·ju·ra·tion; ab·lac·ta·tion; ab·la·tion; ab·lu·tion; ab·mi·gra·tion; ab·ne·ga·tion; ab·o·li·tion; ab·o·li·tion·ary; ab·o·li·tion·dom;… …   English syllables

  • bus — al·bus; am·bus·ca·do; ar·bus·cle; ar·bus·cu·lar; ar·bus·cule; ar·bus·tum; au·to·bus; bar·bus; bom·bus; bul·bus; bus·boy; bus·by; bus; bus·kin; bus·kined; bus·man; bus·sock; bus·su; bus·tard; bus·tee; bus·tic; bus·tled; bus·tler; bus·to;… …   English syllables

  • com|mu|ta|tion — «KOM yuh TAY shuhn», noun. 1. the changing (of a penalty or obligation) to a less severe one: »The prisoner obtained a commutation of his sentence from death to life imprisonment. 2. a) the substitution of one kind of payment for another. b) the… …   Useful english dictionary

  • ac|com|mo|da|tion — «uh KOM uh DAY shuhn», noun. 1. anything that supplies a want or gives aid; a help, favor, or convenience: »It will be an accommodation to me if you will meet me tomorrow instead of today. 2. Often, accommodations. a) room or lodgings and… …   Useful english dictionary

  • combustion — com·bus·tion …   English syllables

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