The Collaborative International Dictionary of English v.0.48:
Flammability \Flam`ma*bil"ity\, n. The quality of being flammable; inflammability. [Obs.] --Sir T. Browne. [1913 Webster]WordNet (r) 3.0 (2006):
flammability n 1: the quality of being easily ignited and burning rapidly [syn: flammability, inflammability]