a material that, while not incombustible, does not itself maintain combustion without an external heat source and therefore retards the spread of fire
BEAT THE DOLDRUMS WITH THIS WORD OF THE DAY QUIZ!
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Question 1 of 7
What does “Indigenous” mean?
Words nearby flame retarder
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