'Combustible' definitions:

Definition of 'combustible'

From: WordNet
adjective
Capable of igniting and burning [ant: incombustible, noncombustible]
noun
A substance that can be burned to provide heat or power [syn: combustible, combustible material]

Definition of 'Combustible'

From: GCIDE
  • Combustible \Com*bus"ti*ble\, a. [Cf. F. combustible.]
  • 1. Capable of taking fire and burning; apt to catch fire; inflammable. [1913 Webster]
  • Sin is to the soul like fire to combustible matter. --South. [1913 Webster]
  • 2. Easily kindled or excited; quick; fiery; irascible. [1913 Webster]
  • Arnold was a combustible character. --W. Irving. [1913 Webster]

Definition of 'Combustible'

From: GCIDE
  • Combustible \Com*bus"ti*ble\, n. A substance that may be set on fire, or which is liable to take fire and burn. [1913 Webster]
  • All such combustibles as are cheap enough for common use go under the name of fuel. --Ure. [1913 Webster]