adjectivenī^trĕusNI^TREVS☆ KeepMeaningmade of natron, of sodaLewis & Short 1879ModernAs printed, 1879NITREUSLEWIS & SHORTNITREUSnī^trĕus, a, um, adj. id., I. made of natron, of soda: pulvis, Cael. Aur. Tard. 2, 7, 108.Read the whole entry