(ˈ)fü|drȯi(y)ənt adjective
Etymology: French, present participle of foudroyer to strike (as lightning), blast, thunder, from Old French foudroier to strike (as lightning), from foudre lightning, from Latin fulgur; akin to Latin flagrare to burn — more at black
1. : thundering , dazzling
2. medicine : fulminating , fulminant