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Etymology · Old French

salpetre

2 English words descend from Old French salpetre, most common first.

peterradiotelephony clear-code word for the letter P.
saltpetrePotassium nitrate.

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Definitions, etymologies and pronunciations come from Wiktionary contributors via kaikki.org and are available under CC BY-SA 4.0. Audio from Wikimedia Commons.

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