the GNU version of the Collaborative International Dictionary of English
n. The quality of being combustible.
The Century Dictionary and Cyclopedia
n. Same as combustibleness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of being capable of igniting and burning
Word Usage
"The combustibles include Beethoven, Stravinsky and even Jerry Lee Lewis, who took the notion of combustibility seriously one night in 1958 when he gassed up his piano and set it ablaze while playing."