Medical Dictionary


noun phos·phate \ˈfäs-ˌfāt\

Medical Definition of PHOSPHATE

a :  a salt or ester of a phosphoric acid b :  the trivalent anion PO43− derived from phosphoric acid H3PO4
:  an organic compound of phosphoric acid in which the acid group is bound to nitrogen or a carboxyl group in a way that permits useful energy to be released (as in metabolism)
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