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phosphate: Meaning and Definition of

phos•phate

Pronunciation: (fos'fāt), [key]
— n.
    1. (loosely) a salt or ester of phosphoric acid.
    2. a tertiary salt of orthophosphoric acid, as sodium phosphate.
  2. a fertilizing material containing compounds of phosphorus.
  3. a carbonated drink of water and fruit syrup containing a little phosphoric acid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
phosphatase phosphate group
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