Standard Lemma guide

fluoridation

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən
  • CMU ARPABET: F L UH2 R AH0 D EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: F L AO2 R AH0 D EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The act or process of adding fluoride to something, especially water.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: defluoridation

2

noun

Meaning 2

the addition of a fluoride to the water supply (to prevent dental decay)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: fluoridization, fluoridisation

Antonyms: none provided

Broader terms: addition

History

Etymology

Etymology tree English fluor(ine) Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idusder. English -ide English fluoride Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English fluoridation From fluoride + -ation.

Across languages

Translations

6 source translations are retained for this English entry.

  • Catalan: fluoració — the act or process of adding fluoride to something, especially water
  • Estonian: fluorimine — the act or process of adding fluoride to something, especially water
  • Finnish: fluoraus — the act or process of adding fluoride to something, especially water
  • Greek: φθορίωση (fthoríosi) — the act or process of adding fluoride to something, especially water
  • Portuguese: fluoretação — the act or process of adding fluoride to something, especially water
  • Slovak: fluoridácia — the act or process of adding fluoride to something, especially water