The Collaborative International Dictionary
nonflammable \nonflammable\ adj. Not easily ignited, and burning only slowly if ignited. [Narrower terms: noncombustible (vs. combustible), incombustible] WordNet 1.5]
Wiktionary
a. 1 Not combustible. 2 Not easily set on fire. alt. 1 Not combustible. 2 Not easily set on fire. n. Any nonflammable substance.
WordNet
adj. impossible to ignite
Usage examples of "nonflammable".
The metal food cans inside were nonflammable, but they were packed in extruded cellulose that ignited in a red fireball.
Midgley set out to create a gas that was stable, nonflammable, noncorrosive, and safe to breathe.
Bassett, who was responsible for the nonflammable lining, caught cold and was not on the job when the lining was inspected.
In fact, strong, nonflammable structures are an obvious application generally.
The beam was dull blue, not enough to even make her blink, though a brief bright yellow flame flared at the edge of the melted fabric of his supposedly nonflammable coveralls, then winked out.
The chambers not only were filled with a completely inert and nonflammable material but were given multiple antiblast, antiradiation, antianything drop shields.
Indeed, as the court and realm slowly, in fits and starts, began to recover to some extent, King Henryat Harold's insistent urgingshad ordered the destruction by fire of the bodies and effects of plague victims and the use of fire, boiling water, and powerful caustics to thoroughly cleanse all nonflammable items once owned by those now dead of the pest and the interiors of all the now-untenanted buildings.
The carpet was glass fiber and nonflammable, but the stench of smoldering human hair indicated where some of the sparks were landing.
So now the rotor blows-big fucking surprise- and the fragments cut into the wing, so that nonflammable hydraulic fluid is smoking.
Chemically inert, nontoxic (in ordinary concentrations), odorless, tasteless, non-allergenic, nonflammable, CFCs represent a brilliant technical solution to a well-defined practical problem.