Definition

Noun 1. A chemical compound: A salt derived from hydrofluoric acid, containing the fluorine anion (F⁻). 2. A common additive: A form of this compound, often sodium fluoride or stannous fluoride, added to public water supplies, toothpaste, and other dental products to help prevent tooth decay.

Usage and Examples

• General Use: The term is most commonly used in public health and chemistry contexts.
  • Many cities add fluoride to the drinking water to improve dental health.
  • The chemist analyzed the sample for traces of fluoride.
• In Dentistry and Consumer Products: It frequently appears on labels and in discussions about oral hygiene.
  • This toothpaste contains fluoride for cavity protection.
  • The dentist recommended a fluoride treatment after the cleaning.

Advanced Usage

• "Fluoridation": The process of adding fluoride to a public water supply.
  • The fluoridation of the municipal water has been a topic of public debate.
• "Fluorosis": A cosmetic condition caused by excessive intake of fluoride during tooth development.
  • Mild dental fluorosis may appear as faint white streaks on the teeth.

Variants and Related Words

• Fluoridate (verb): To add fluoride to something, especially a water supply.
  • The decision to fluoridate the water was made by the city council.
• Fluorine (noun): The chemical element (F) from which fluoride is derived.
  • Fluorine is a highly reactive, pale yellow gas.

Synonyms

• None direct: As a specific chemical ion/compound, it has no perfect synonym. In casual contexts regarding dental care, it may be paraphrased as "cavity-fighting mineral" or "dental strengthening agent."

Related Phrases

• Fluoride varnish: A high-concentration fluoride coating applied by dental professionals to teeth.
  • The pediatric dentist applied a fluoride varnish to the child's teeth.
• Fluoride rinse: A mouthwash containing fluoride, used to supplement brushing and flossing.
  • She uses a fluoride rinse every night before bed.

Noun

1. a salt of hydrofluoric acid