[ig.nite] vb ig.nit.ed ; ig.nit.ing [L ignitus, pp. of ignire to ignite, fr. ignis] vt (1666) 1: to subject to fire or intense heat; esp: to render luminous by heat
2. a: to set afire; also: kindle b: to cause (a fuel) to burn
3: to heat up: excite "oppression that ignited the hatred of the people" ~ vi 1: to catch fire
2: to begin to glow -- ig.nit.abil.i.ty n -- ig.nit.able also ig.nit.ible adj -- ig.nit.er also ig.ni.tor n