definitions

nonflammable

[ non-flam-uh-buh l ]
/ nɒnˈflæm ə bəl /
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adjective

not flammable; not combustible or easily set on fire.

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Why Do “Flammable” And “Inflammable” Mean The Same Thing?Why are these two words so confusing? Well, flammable and inflammable both mean “able to be set on fire.” Strangely, the "in" prefix in inflammable doesn't make the word mean "not flammable," as you might think.
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RELATED WORDS

concrete, asbestos, fire-resistant, incombustible, noncombustible

Nearby words

nonferrous, nonfiction, nonfiction novel, nonfinite clause, nonfinite verb, nonflammable, nonforfeiture value, nonfreezing, nonfulfillment, nong, nongonococcal urethritis

Origin of nonflammable

First recorded in 1960–65; non- + flammable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for nonflammable

nonflammable

/ (ˌnɒnˈflæməbəl) /

adjective

incapable of burning or not easily set on fire; not flammable
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for nonflammable

nonflammable

[ nŏn-flăm′ə-bəl ]

adj.

Not flammable, especially not readily ignited and not rapidly burned.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.