ignescent

[ig-nes-uh nt]

adjective

emitting sparks of fire, as certain stones when struck with steel.
bursting into flame.

noun

an ignescent substance.

Origin of ignescent

1820–30; < Latin ignēscent- (stem of ignēscēns), present participle of ignēscere to catch fire, equivalent to ign(is) fire + -ēscent- -escent
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British Dictionary definitions for ignescent

ignescent

adjective

giving off sparks when struck, as a flint
capable of bursting into flame

noun

an ignescent substance

Word Origin for ignescent

C19: from Latin ignescere to become inflamed
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