Phrase guide

boric acid

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

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1

noun

Meaning 1

H3BO3; B(OH)3; a white crystalline solid, soluble in hot water to form a weak acid. Used as a mild antiseptic, flame retardant, insecticide, and in the manufacture of borax and other borate salts.

Definition source: English Wiktionary via Wiktextract

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 hydrate of boric oxide, specifically any of the three acids orthoboric acid, metaboric acid, or pyroboric acid.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

any of various acids containing boron and oxygen

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: boracic acid

Antonyms: none provided

Broader terms: acid

Narrower terms: perboric acid

4

noun

Meaning 4

a white or colorless slightly acid solid that is soluble in water and ethanol; used in the manufacture of glass and paper and adhesives and in detergents and as a flux in welding; also used as an antiseptic and food preservative

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: orthoboric acid

Antonyms: none provided

Broader terms: acid

History

Etymology

No etymology was provided for this word.

Across languages

Translations

23 source translations are retained for this English entry.

  • Catalan: àcid bòric — White crystalline solid soluble as a weak acid
  • Chinese Mandarin: 硼酸 (péngsuān) — White crystalline solid soluble as a weak acid
  • Danish: borsyre — White crystalline solid soluble as a weak acid
  • Esperanto: borata acido — White crystalline solid soluble as a weak acid
  • Faroese: borsýra — White crystalline solid soluble as a weak acid
  • Finnish: boorihappo — White crystalline solid soluble as a weak acid
  • French: acide borique — White crystalline solid soluble as a weak acid
  • German: Borsäure — White crystalline solid soluble as a weak acid
  • Icelandic: bórsýra — White crystalline solid soluble as a weak acid
  • Italian: acido borico — White crystalline solid soluble as a weak acid
  • Japanese: 硼酸 (hōsan) — White crystalline solid soluble as a weak acid
  • Korean: 붕산 (bungsan) — White crystalline solid soluble as a weak acid
  • Norwegian Bokmål: borsyre — White crystalline solid soluble as a weak acid
  • Norwegian Nynorsk: borsyre — White crystalline solid soluble as a weak acid
  • Polish: kwas borowy — White crystalline solid soluble as a weak acid
  • Polish: kwas borny — White crystalline solid soluble as a weak acid
  • Portuguese: ácido bórico — White crystalline solid soluble as a weak acid
  • Romanian: acid boric — White crystalline solid soluble as a weak acid
  • Russian: бо́рная кислота́ (bórnaja kislotá) — White crystalline solid soluble as a weak acid
  • Spanish: ácido bórico — White crystalline solid soluble as a weak acid
  • Swedish: borsyra — White crystalline solid soluble as a weak acid
  • Turkish: asit borik — White crystalline solid soluble as a weak acid
  • Turkish: borik asit — White crystalline solid soluble as a weak acid