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orthophosphoric acid
[awr-thoh-fos-fawr-ik, -for-, awr-]
noun
Chemistry.
a colorless, crystalline solid, H 3 PO 4 , the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent.
orthophosphoric acid
/ ˌɔːθəʊfɒsˈfɒrɪk /
noun
Also called: phosphoric acid. a colourless soluble solid tribasic acid used in the manufacture of fertilizers and soaps. Formula: H 3 PO 4
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Word History and Origins
Origin of orthophosphoric acid1
First recorded in 1870–75; ortho- + phosphoric acid
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Write the equations for the preparation of the three sodium salts of orthophosphoric acid.
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These facts may be illustrated with the aid of orthophosphoric acid, which is tribasic:— Acid.
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