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Pronunciation:  kum'buschun

WordNet Dictionary
  1. [n]  the act of burning something; "the burning of leaves was prohibited by a town ordinance"
  2. [n]  a process in which a substance reacts with oxygen to give heat and light
  3. [n]  a state of violent disturbance and excitement; "combustion grew until revolt was unavoidable"

COMBUSTION is a 10 letter word that starts with C.


 Synonyms: burning, burning
 See Also: arson, change of integrity, fire, fire-raising, firing, flame, flaming, garboil, ignition, incendiarism, incineration, inflammation, internal combustion, kindling, lighting, oxidation, oxidisation, oxidization, tumult, tumultuousness, uproar



Webster's 1913 Dictionary
\Com*bus"tion\ (?; 106), n. [L. combustio: cf. F.
1. The state of burning.

2. (Chem.) The combination of a combustible with a supporter
   of combustion, producing heat, and sometimes both light
   and heat.

         Combustion results in common cases from the mutual
         chemical action and reaction of the combustible and
         the oxygen of the atmosphere, whereby a new compound
         is formed.                            --Ure.

{Supporter of combustion} (Chem.), a gas, as oxygen, the
   combination of which with a combustible, as coal,
   constitutes combustion.

3. Violent agitation; confusion; tumult. [Obs.]

         There [were] great combustions and divisions among
         the heads of the university.          --Mede.

         But say from whence this new combustion springs.

Biology Dictionary
 Definition: The heat-producing reaction of a material with oxygen gas or other oxidant, often producing a flame.
Thesaurus Terms
 Related Terms: backfire, balefire, beacon, beacon fire, blaze, blazing, blistering, bonfire, branding, burning, burning ghat, calcination, campfire, carbonization, cauterization, cautery, cheerful fire, cineration, concremation, conflagration, corposant, cozy fire, cracking, crackling fire, cremation, crematory, cupellation, death fire, deflagration, destructive distillation, distillation, distilling, fen fire, fire, flame, flaming, flashing point, flicker, flickering flame, forest fire, fox fire, funeral pyre, ignis fatuus, ignition, incineration, ingle, lambent flame, marshfire, open fire, oxidation, oxidization, parching, prairie fire, pyre, pyrolysis, raging fire, refining, scorching, scorification, sea of flames, searing, self-immolation, sheet of fire, signal beacon, singeing, smelting, smudge fire, suttee, the stake, thermogenesis, three-alarm fire, two-alarm fire, vesication, watch fire, wildfire, witch fire