WordReference Random House Unabridged Dictionary of American English © 2026
ig•nes•cent
(ig nes′ənt),USA pronunciation adj.
n.
- emitting sparks of fire, as certain stones when struck with steel.
- bursting into flame.
n.
- an ignescent substance.
- Latin ignēscent- (stem of ignēscēns), present participle of ignēscere to catch fire, equivalent. to ign(is) fire + -ēscent- -escent
- 1820–30