the GNU version of the Collaborative International Dictionary of English
adj. not susceptible to burning; noncombustible; fireproof; -- of artifacts. Opposite of combustible.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. resistant to catching fire
Word Usage
"Novec EGC-2702 is non-flammable, thus eliminating the need for electrical equipment used in the drying process to be classified as flameproof or 'intrinsically safe'."