orthophosphate

[ awr-thuh-fos-feyt ]

noun

, Chemistry.

1. a salt or ester of orthophosphoric acid, or any compound containing the trivalent group −PO 4 .

orthophosphate

/ ˌɔːθəʊˈfɒsfeɪt /

noun

1. any salt or ester of orthophosphoric acid

Word History and Origins

Origin of orthophosphate¹

First recorded in 1855–60; ortho- + phosphate