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phosphonic acid

Pronunciation: /fɒsˈfɒnɪk/

Definition of phosphonic acid

noun

[mass noun] Chemistry
  • a crystalline acid obtained by the reaction of phosphorus trioxide with water.
    • A dibasic acid; chemical formula: HPO(OH)2

Origin:

late 19th century: phosphonic from phospho- 'relating to phosphorus', on the pattern of sulphonic

phosphonic acid in other Oxford dictionaries

Definition of phosphonic acid in the US English dictionary

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