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nonflammable

[non-flam-uh-buh l]
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adjective
  1. not flammable; not combustible or easily set on fire.
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Origin of nonflammable

First recorded in 1960–65; non- + flammable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for nonflammable

nonflammable

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

nonflammable in Medicine

nonflammable

(nŏn-flămə-bəl)
adj.
  1. Not flammable, especially not readily ignited and not rapidly burned.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.