adj.
- Capable of igniting and burning.
- Easily aroused or excited.
A substance that ignites and burns readily.
combustibility com·bus'ti·bil'i·ty n.
combustibly com·bus'ti·bly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.