- Med. developing suddenly and severely, as a disease
Origin of fulminantClassical Latin fulminans, present participle : see fulminate
Occurring suddenly, rapidly, and with great severity or intensity: fulminant infection.
Origin of fulminantLatin fulminans, fulminant-, present participle of fulminare, to strike with lightning; see fulminate.
- (chiefly medicine) Appearing quickly and with destructive effects.