fluoride

noun

fluo·​ride ˈflȯr-ˌīd  ˈflu̇r- 

often attributive

1

: a compound of fluorine

2

: the monovalent anion of fluorine

Examples of fluoride in a Sentence

Recent Examples on the Web

Days before being officially announced as Trump’s pick for secretary of health, the controversial anti-vaccine activist repeated his desire to remove fluoride from nationwide drinking water, possibly reversing what’s considered one of the top public health achievements in American history. —Jami Ganz, New York Daily News, 28 Nov. 2024

Kennedy has expressed interest in revisiting vaccine recommendations, removing fluoride from water, rolling back research on infectious diseases, and overhauling the FDA. —Yaakov Katz, Newsweek, 27 Nov. 2024

Trump's pick for the head of Health and Human Services, Robert F. Kennedy Jr., has been a staunch promoter of anti-vaccination policies and has pushed for the end of fluoride in water supplies. —Ivan Pereira, ABC News, 26 Nov. 2024

There is no proposal to eliminate natural fluoride. —Lisa M. Krieger, The Mercury News, 16 Nov. 2024

Word History

First Known Use

1826, in the meaning defined at sense 1

Phrases Containing fluoride

• hydrogen fluoride
• lithium fluoride
• sodium fluoride

Kids Definition

fluoride

noun

flu·​o·​ride

ˈflu̇(-ə)r-ˌīd

: a compound of fluorine with another element or chemical group

Medical Definition

fluoride

noun

flu·​o·​ride ˈflu̇(-ə)r-ˌīd 

1

: a compound of fluorine with a more electropositive element or radical

2

: the monovalent anion of fluorine

fluoride adjective