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

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

The report warns that such an event would be difficult for people in the vicinity and first responders to detect, since CO2 is colorless, odorless, and nonflammable.

From Salon