orthophosphorous acid

US:USA pronunciation: respellingUSA pronunciation: respelling(ôr′thə fos′fər əs, ôr′thō fos fôr′əs, -fōr′-)


WordReference Random House Unabridged Dictionary of American English © 2025
or′tho•phos′pho•rous ac′id  (ôr′thə fos′fər əs, ôr′thō fos fôr′əs, -fōr′-),USA pronunciation [Chem.]
  1. Chemistrya white to yellowish, crystalline, hygroscopic, water-soluble solid, H3PO3, used chiefly in the synthesis of phosphites.
  • ortho- + phosphorous acid

'orthophosphorous acid' also found in these entries (note: many are not synonyms or translations):
phosphorous acid

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