- emitting sparks of fire, as certain stones when struck with steel.
- bursting into flame.
- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- giving off sparks when struck, as a flint
- capable of bursting into flame
- an ignescent substance
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