phosphorous

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈfɒsfərəs/US:USA pronunciation: respellingUSA pronunciation: respelling(fos′fər əs, fos fôr′əs, -fōr′-)


WordReference Random House Unabridged Dictionary of American English © 2025
phos•pho•rous  (fos′fər əs, fos fôr′əs, -fōr′-),USA pronunciation adj. [Chem.]
  1. Chemistrycontaining trivalent phosphorus.
  • phosphor- + -ous 1770–80

Collins Concise English Dictionary © HarperCollins Publishers::
phosphorous / ˈfɒsfərəs/
  1. of or containing phosphorus in the trivalent state
'phosphorous' also found in these entries (note: many are not synonyms or translations):
hypophosphoric acid - hypophosphorous - metaphosphoric acid - orthophosphorous acid - phosphate - phosphite - phosphonic acid - phosphorous acid - radiophosphorus

Forum discussions with the word(s) "phosphorous" in the title:


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