Definition of phosphate noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈfɒsfeɪt//
; NAmE NAmE//ˈfɑːsfeɪt//
[countable, uncountable] (chemistry)
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any compound containing phosphorus, used in industry or for helping plants to grow phosphate-free washing powder the use of nitrates and phosphates to fertilize the soil Word Originlate 18th cent.: from French, from phosphore ‘phosphorus’.
See the Oxford Advanced American Dictionary entry: phosphate