Phrase guide

carbonic acid

noun · 3 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.

1

noun

Meaning 1

A weak unstable acid, H2CO3, known only in solution, and as carbonate salts; it is present in carbonated drinks, and sparkling wine, but decomposes to form carbon dioxide and water.

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: H2CO3

Antonyms: none provided

2

noun

Meaning 2

Carbon dioxide.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a weak acid known only in solution; formed when carbon dioxide combines with water

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: acid

History

Etymology

No etymology was provided for this word.

Across languages

Translations

50 source translations are retained for this English entry.

  • Armenian: ածխաթթու (acxatʻtʻu) — A weak unstable acid, H2CO3
  • Azerbaijani: karbonat turşusu — A weak unstable acid, H2CO3
  • Basque: azido karboniko — A weak unstable acid, H2CO3
  • Bulgarian: въглеродна киселина (vǎglerodna kiselina) — A weak unstable acid, H2CO3
  • Catalan: àcid carbònic — A weak unstable acid, H2CO3
  • Chinese Mandarin: 碳酸 (tànsuān) — A weak unstable acid, H2CO3
  • Czech: kyselina uhličitá — A weak unstable acid, H2CO3
  • Danish: kulsyre — A weak unstable acid, H2CO3
  • Dutch: koolzuur — A weak unstable acid, H2CO3
  • Dutch: diwaterstofcarbonaat — A weak unstable acid, H2CO3
  • Esperanto: karbonika acido — A weak unstable acid, H2CO3
  • Esperanto: karbonata acido — A weak unstable acid, H2CO3
  • Estonian: süsihape — A weak unstable acid, H2CO3
  • Faroese: kolsýra — A weak unstable acid, H2CO3
  • Finnish: hiilihappo — A weak unstable acid, H2CO3
  • French: acide carbonique — A weak unstable acid, H2CO3
  • Galician: ácido carbónico — A weak unstable acid, H2CO3
  • Georgian: ნახშირმჟავა (naxširmžava) — A weak unstable acid, H2CO3
  • German: Kohlensäure — A weak unstable acid, H2CO3
  • Greek: ανθρακικό οξύ (anthrakikó oxý) — A weak unstable acid, H2CO3
  • Gujarati: અંગારકામ્લ (aṅgārkāmla) — A weak unstable acid, H2CO3
  • Hungarian: szénsav — A weak unstable acid, H2CO3
  • Icelandic: kolsýra — A weak unstable acid, H2CO3
  • Irish: aigéad carbónach — A weak unstable acid, H2CO3
  • Italian: acido carbonico — A weak unstable acid, H2CO3
  • Japanese: 炭酸 (tansan) — A weak unstable acid, H2CO3
  • Korean: 탄산 (tansan) — A weak unstable acid, H2CO3
  • Latvian: ogļskābe — A weak unstable acid, H2CO3
  • Limburgish: kaolzoer — A weak unstable acid, H2CO3
  • Lithuanian: anglies rūgštis — A weak unstable acid, H2CO3
  • Luxembourgish: Kuelesaier — A weak unstable acid, H2CO3
  • Macedonian: јаглеродна киселина (jaglerodna kiselina) — A weak unstable acid, H2CO3
  • Malay: asid karbonik — A weak unstable acid, H2CO3
  • Māori: waikawa waro — A weak unstable acid, H2CO3
  • Norwegian Bokmål: karbonsyre — A weak unstable acid, H2CO3
  • Norwegian Bokmål: kullsyre — A weak unstable acid, H2CO3
  • Polish: kwas węglowy — A weak unstable acid, H2CO3
  • Brazilian Portuguese: ácido carbônico — A weak unstable acid, H2CO3
  • European Portuguese: ácido carbónico — A weak unstable acid, H2CO3
  • Romanian: acid carbonic — A weak unstable acid, H2CO3
  • Russian: углекислота́ (uglekislotá) — A weak unstable acid, H2CO3
  • Russian: у́гольная кислота́ (úgolʹnaja kislotá) — A weak unstable acid, H2CO3
  • Serbo-Croatian: ugljična kiselina — A weak unstable acid, H2CO3
  • Slovak: kyselina uhličitá — A weak unstable acid, H2CO3
  • Slovene: ogljikova kislina — A weak unstable acid, H2CO3
  • Spanish: ácido carbónico — A weak unstable acid, H2CO3
  • Swedish: kolsyra — A weak unstable acid, H2CO3
  • Thai: กรดคาร์บอนิก — A weak unstable acid, H2CO3
  • Turkish: karbonik asit — A weak unstable acid, H2CO3
  • Welsh: asid carbonig — A weak unstable acid, H2CO3