Dictionary

fluoride

noun, fluo·ride often attributive \ˈflr-ˌīd, ˈflr-\

: a chemical that is sometimes added to drinking water and toothpaste to help keep teeth healthy

Full Definition of FLUORIDE

1
:  a compound of fluorine
2
:  the monovalent anion of fluorine
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First Known Use of FLUORIDE

1826
FLUORIDE Defined for Kids

fluoride

noun fluo·ride \ˈflr-ˌīd, ˈflr-\

Definition of FLUORIDE for Kids

:  a compound of fluorine <Many toothpastes contain fluoride to help prevent tooth decay.>
Medical Dictionary

fluoride

noun flu·o·ride \ˈfl(-ə)r-ˌīd\

Medical Definition of FLUORIDE

1
:  a compound of fluorine with a more electropositive element or radical
2
:  the monovalent anion of fluorine
fluoride adjective
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