Phrase guide

sulfurous acid

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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1

noun

Meaning 1

The weak acid, H2SO3, present in a solution of sulfur dioxide in water; it is a reducing agent and mild bleach.

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

History

Etymology

No etymology was provided for this word.

Across languages

Translations

15 source translations are retained for this English entry.

  • Czech: kyselina siřičitá — the weak acid, H2SO3
  • Danish: svovlsyrling — the weak acid, H2SO3
  • Faroese: svávulsýrlingur — the weak acid, H2SO3
  • Finnish: rikkihapoke — the weak acid, H2SO3
  • French: acide sulfureux — the weak acid, H2SO3
  • German: schweflige Säure — the weak acid, H2SO3
  • Ido: sulfitacido — the weak acid, H2SO3
  • Italian: acido solforoso — the weak acid, H2SO3
  • Japanese: 亜硫酸 (aryūsan) — the weak acid, H2SO3
  • Persian: سولفورو اسید (sulfuro asid) — the weak acid, H2SO3
  • Polish: kwas siarkawy — the weak acid, H2SO3
  • Russian: се́рнистая кислота́ (sérnistaja kislotá) — the weak acid, H2SO3
  • Spanish: ácido sulfuroso — the weak acid, H2SO3
  • Swedish: svavelsyrlighet — the weak acid, H2SO3
  • Telugu: గంధికామ్లము (gandhikāmlamu) — the weak acid, H2SO3