fluoride

[ floor-ahyd, flawr-, flohr- ]

Phonetic (Standard)IPA

noun

Chemistry.

a salt of hydrofluoric acid consisting of two elements, one of which is fluorine, as sodium fluoride, NaF.
a compound containing fluorine, as methyl fluoride, CH 3 F.

fluoride

/ ˈ�ڱ�ʊəˌ��ɪ�� /

noun

any salt of hydrofluoric acid, containing the fluoride ion, F ^–
any compound containing fluorine, such as methyl fluoride

fluoride

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.

fluoride

Any of a number of naturally occurring compounds of the element fluorine. Fluorides have been found to be effective in preventing tooth decay and are routinely added to drinking water in most jurisdictions.

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Word History and Origins

Origin of fluoride¹

First recorded in 1820–30; fluor- + -ide ( def )

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Compare Meanings

How does fluoride compare to similar and commonly confused words? Explore the most common comparisons:

fluorine vs. fluoride

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Example Sentences

Examples have not been reviewed.

"But the joke was about fluoride. I have big, gap teeth, not bad teeth."

From

She continued: “But the joke was about fluoride. I have big gap teeth not bad teeth. I don’t mind caricature — I understand that’s what ‘SNL’ is.

From

"But the whole joke was about fluoride," she wrote on Sunday.

From

Utah has become the first state to ban fluoride in public drinking water, despite widespread opposition from dentists and national health organizations.

From

Damaged lithium-ion batteries are at high risk of catching fire and releasing toxic gases such as hydrogen fluoride and carbon monoxide.

From

fluoridation fluoridize

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