nitreus
nī̆trĕus, a, um, adj. [nitrum],
- made of natron, of soda: pulvis, Cael. Aur. Tard. 2, 7, 108.
nitreus, a, um (nitrum), aus Natron, pulvis, Cael. Aur. de morb. chron. 2, 7, 108.
nĭtrĕus, a, um (nitrum), de nitre : C. Aur. Chron. 2, 7, 108.