Fluoride meaning

flo͝orīd, flôr-
(chemistry) Any salt of hydrofluoric acid; for example, potassium fluoride.
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(chemistry) A binary compound of fluorine and another element or radical.
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Univalent fluorine, or a compound of fluorine, especially a binary compound of fluorine with a more electropositive element.
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A compound of fluorine and another element, radical, etc.
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Such a compound put in drinking water or toothpaste to prevent tooth decay.
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A compound containing fluorine and another element or radical. Fluorine combines readily with nearly all the other elements, except the noble gases, to form fluorides. In some countries, fluoride is added to the drinking water as a preventive measure against tooth decay.
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Origin of fluoride

  • fluor(ine) –ide

    From American Heritage Dictionary of the English Language, 5th Edition

  • fluor(ine) + -ide

    From Wiktionary