nitrum

From Latin nitrum. Doublet of nitre and natron.

• IPA^(key): /ˈnaɪtɹəm/

nitrum (uncountable)

1. (chemistry, obsolete) niter

• nitrum flammans

• “nitrum”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• RUMINT, rumint, untrim

From Ancient Greek νίτρον (nítron), from Semitic.

• (Classical Latin) IPA^(key): [ˈnɪ.trũː], [ˈnɪt.rũː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈniː.t̪rum], [ˈnit̪.rum]

nitrum n (genitive nitrī); second declension

1. various alkalis (especially soda ash)
   • c. 37 BCE – 30 BCE, Virgil, Georgics 1.193–196:

     Semina vidi equidem multos medicare serentes
     Et nitro prius et nigra perfundere amurca,
     Grandior ut fetus siliquis fallacibus esset
     Et quamvis igni exiguo properata maderent.

     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.

Second-declension noun (neuter).

• nitrōsus

• natrium

• “nitrum”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “nitrum”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "nitrum", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “nitrum”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.