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Meaning of orthophosphate

or•tho•phos•phate

Pronunciation: (ôr"thu-fos'fāt), [key]
— n. Chem.
  1. a salt or ester of orthophosphoric acid, or any compound containing the trivalent group −PO.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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