noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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rhymes with -aɪtə(ɹ)
1
noun
Meaning 1
A mineral form of potassium nitrate (saltpetre) used in making gunpowder.
Definition source: English Wiktionary via Wiktextract
From Middle English niter, nitere, nitre, nytre, from Old French nitre, from Latin nitrum (“native soda, natron”), from Ancient Greek νίτρον (nítron). Ultimately from Egyptian nṯrj (“natron”). Doublet of natron and trona. Compare also natrium, nitrogen.
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Translations
5 source translations are retained for this English entry.