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phosphoric acid


phosphoric acid

noun

Definition of PHOSPHORIC ACID

1
: a syrupy or deliquescent tribasic acid H3PO4 used especially in preparing phosphates (as for fertilizers), in rust-proofing metals, and especially formerly as a flavoring in soft drinks —called also orthophosphoric acid
2
: a compound (as pyrophosphoric acid or metaphosphoric acid) consisting of phosphate groups linked directly to each other by oxygen
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First Known Use of PHOSPHORIC ACID

1784

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