Phrase guide

hydrogen fluoride

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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

a colorless fuming liquid or gas, with molecular formula HF. It dissolves in water to form hydrofluoric acid and has many industrial uses including the production of Teflon and the refining of uranium; it corrodes skin, flesh and bone, and any skin contact must be avoided

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are 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: fluoride

History

Etymology

No etymology was provided for this word.

Across languages

Translations

8 source translations are retained for this English entry.

  • Bulgarian: флуороводоро́д (fluorovodoród) — HF
  • Chinese Mandarin: 氟化氫 /氟化氢 (fúhuàqīng) — HF
  • Czech: fluorovodík — HF
  • Finnish: vetyfluoridi — HF
  • Japanese: フッ化水素 — HF
  • Korean: 플루오린화 수소 (peulluorinhwa suso) — HF
  • Polish: fluorowodór — HF
  • Swedish: vätefluorid — HF