ignificadj.
Etymology: < Latin type *ignificus , < ignis fire: see -fic suffix.Previous versions of the OED give the stress as: igˈnific.
1747 B. Martin II. 139 If the ignific Particles of Light are sufficiently condensed..by a..Burning-Glass, they become ardent, and burn.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2019).