nitrum

Definitiones

various alkalis (especially soda ash)

declension-2, neuter

Aequivalentia

Exempla

“Semina vidi equidem multos medicare serentes Et nitro prius et nigra perfundere amurca, Grandior ut fetus siliquis fallacibus esset”

I likewise saw many steep seeds as they were sowing and, beforehand, treat them with alkalis and the dregs of black olive-oil, that bigger fruits may grow inside the deceitful pod, and they quickly boil to however small a fire.

Gradus CEFR