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

Since taking office, Kennedy has announced plans to phase out artificial food dyes from the nation’s food supply and encouraged the removal of fluoride from drinking water. —Swapna Venugopal Ramaswamy, USA Today, 22 May 2025

The removal of fluoride from Florida’s water will guarantee more cavities for our children. —Sun Sentinel Editorial Board, Sun Sentinel, 21 May 2025

Fluoride ban Florida just became the second state in the nation to ban the addition of fluoride to public drinking water. —Jade Walker, CNN Money, 16 May 2025

Kennedy has claimed that fluoride in drinking water affects children's neurological development and that other countries that have removed fluoride from their water supplies have not seen an increase in cavities. —Mary Kekatos, ABC News, 15 May 2025

Word History

First Known Use

1826, in the meaning defined at sense 1

Phrases Containing fluoride

• hydrogen fluoride
• lithium fluoride
• sodium fluoride

Rhymes for fluoride

• abide
• allied
• applied
• aside
• astride
• azide
• backside
• bankside
• bastide
• bayside
• bedside
• belied

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