Standard Lemma guide

fluoride

noun · 4 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.

  • UK: /ˈflʊəˌɹaɪd/
  • UK: /ˈflɔːˌɹaɪd/
  • US: /ˈflʊɚˌaɪd/
  • US: /ˈflɔɹˌaɪd/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɔːɹaɪd
  • CMU ARPABET: F L UH1 R AY2 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: F L AO1 R AY2 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A binary compound of fluorine and another element or radical.

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: none provided

Broader terms: compound, substance, material

2

noun

Meaning 2

A binary compound of fluorine and another element or radical.

Any of certain salts of hydrofluoric acid, such as the simple metallic ones.

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: fluate, fluat

Antonyms: none provided

Broader terms: compound, substance, material, halide, salt

3

noun

Meaning 3

The anionic form of a fluorine atom.

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: none provided

Broader terms: halide, anion, ion

4

noun

Meaning 4

a salt of hydrofluoric acid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: halide

Narrower terms: boron trifluoride, hydrogen fluoride, stannous fluoride, sulfur hexafluoride, sulphur hexafluoride

History

Etymology

Etymology tree English fluor(ine) Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idusder. English -ide English fluoride From fluor(ine) + -ide.

Across languages

Translations

29 source translations are retained for this English entry.

  • Catalan: fluorur — fluoride
  • Chinese Mandarin: 氟化物 (fúhuàwù) — fluoride
  • Czech: fluorid — fluoride
  • Dhivehi: ފްލޮރައިޑް (floraiḍ) — fluoride
  • Dutch: fluoride — fluoride
  • Finnish: fluoridi — fluoride
  • French: fluorure — fluoride
  • Galician: fluoruro — fluoride
  • German: Fluorid — fluoride
  • Hindi: तरस्विनिक (tarasvinik) — fluoride
  • Hungarian: fluorid — fluoride
  • Italian: fluoruro — fluoride
  • Japanese: フッ化物 (fukka-butsu) — fluoride
  • Japanese: 弗化物 (fukka-butsu) — fluoride
  • Kazakh: фторид (ftorid) — fluoride
  • Korean: 플루오린화물 (peulluorinhwamul) — fluoride
  • Korean: 불화물 (bulhwamul) — fluoride
  • Kyrgyz: фторид (ftorid) — fluoride
  • Māori: pūkōwhai — fluoride
  • Polish: fluorek — fluoride
  • Portuguese: fluoreto — fluoride
  • Romanian: fluorură — fluoride
  • Russian: фтори́д (ftoríd) — fluoride
  • Slovak: fluorid — fluoride
  • Spanish: fluoruro — fluoride
  • Swahili: floridi — fluoride
  • Swedish: fluorid — fluoride
  • Telugu: ఫ్లోరైడు (phlōraiḍu) — fluoride
  • Turkish: florür — fluoride
Real reading context

fluoride in complete knowledge articles