nonflammable

[non-flam-uh-buhl]

adjective

1. not flammable; not combustible or easily set on fire.

nonflammable

/ ˌnɒnˈflæməbəl /

adjective

1. incapable of burning or not easily set on fire; not flammable

Word History and Origins

Origin of nonflammable¹

First recorded in 1960–65; non- + flammable

Example Sentences

Leaders have learned much about fire prevention techniques since then, he noted, such as building with nonflammable materials and clearing brush away from houses.

From Los Angeles Times

The daylong effort is hazardous because of the high pressure used to test the system with helium, a nonflammable gas.

From Los Angeles Times

Discovered in the 1920s by a chemist at General Motors, these compounds were odorless, nonflammable and seemingly nontoxic — all properties that made them useful to industry.

From Salon

Anhydrous ammonia is a colorless nonflammable liquefied gas.

From Washington Times

The fire of that era also destroyed most of the Near North Side of the city, meaning that anything new had to be built in stone or other nonflammable materials.

From Washington Post