Standard Lemma guide

hydracid

noun · 1 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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  • /haɪˈdɹæsɪd/
  • rhymes with -æsɪd

1

noun

Meaning 1

An acid that does not contain any oxygen; they are all binary compounds of hydrogen plus either a halogen (for example, hydrochloric acid, hydrofluoric acid, hydroiodic acid, hydrobromic acid) or a pseudohalogen.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: acid, substance

History

Etymology

Etymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- Proto-Indo-European *h2eḱ- Proto-Indo-European *-éh1ti Proto-Indo-European *-yeti Proto-Indo-European *-éh1yeti Proto-Indo-European *h2eḱéh1yeti Proto-Italic *akēō Latin aceō Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idus Latin acidusbor. French acidebor. English acid English hydracid From hydro- + acid.

Across languages

Translations

8 source translations are retained for this English entry.

  • Catalan: hidràcid — chemistry: an acid that does not contain any oxygen
  • Czech: bezkyslíkatá kyselina — chemistry: an acid that does not contain any oxygen
  • French: hydracide — chemistry: an acid that does not contain any oxygen
  • German: Wasserstoffsäure — chemistry: an acid that does not contain any oxygen
  • Italian: idracido — chemistry: an acid that does not contain any oxygen
  • Japanese: 水素酸 (suiso san) — chemistry: an acid that does not contain any oxygen
  • Portuguese: hidrácido — chemistry: an acid that does not contain any oxygen
  • Spanish: hidrácido — chemistry: an acid that does not contain any oxygen