phosphate

noun phos·phate \ ˈfäs-ˌfāt \

Definition of phosphate

1 a (1) :a salt or ester of a phosphoric acid
(2) :the trivalent anion PO43− derived from phosphoric acid H3PO4
b :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)
2 :an effervescent drink of carbonated water with a small amount of phosphoric acid flavored with fruit syrup
3 :a phosphatic material used for fertilizers

Recent Examples of phosphate from the Web

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Origin and Etymology of phosphate

French, from acide phosphorique phosphoric acid


PHOSPHATE Defined for English Language Learners

phosphate

noun

Definition of phosphate for English Language Learners

  • chemistry : a salt or compound that has phosphorus in it and that is used especially in products (called fertilizers) that help plants grow


Medical Dictionary

phosphate

noun phos·phate \ ˈfäs-ˌfāt \

medical Definition of phosphate

1 a :a salt or ester of a phosphoric acid
b :the trivalent anion PO43− derived from phosphoric acid H3PO4
2 :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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