#combustion__burning  a process in which a substance reacts with oxygen to give heat and light
  supertype:  oxidation__oxidization__oxidisation  the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
  subtype:  flame__fire__flaming  the process of combustion of inflammable materials producing heat and light and (often) smoke; "fire was one of our ancestors' first discoveries"
     subtype:  blazing__blaze  a strong flame that burns brightly; "the blaze spread rapidly"
     subtype:  flare.flame  a sudden burst of flame
  subtype:  internal_combustion  the combustion of fuel inside a cylinder (as in an internal-combustion engine)

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