Standard Lemma guide

causticity

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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  • /kɔːˈstɪsɪti/

1

noun

Meaning 1

The quality of being physically caustic; burning, corrosive.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • 1996, Christopher J. Biermann, Handbook of Pulping and Papermaking, Academic Press, 3.8 Kraft Pulping, p. 89, https://books.google.ca/books?id=sfZfyEmqs_AC&printsec=frontcover#v=onepage&q&f=false Causticity is the ratio of NaOH to active alkali (as always both chemicals are on an Na2O basis), expressed as a percentage.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Being caustic in speech, humour etc.

Definition source: English Wiktionary via Wiktextract

Usage: countable, figuratively, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: pungency

Antonyms: none provided

History

Etymology

Etymology tree English caustic Proto-Indo-European *-teh2 Proto-Indo-European *-ts Proto-Indo-European *-teh2ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English causticity From caustic + -ity.

Across languages

Translations

9 source translations are retained for this English entry.

  • Asturian: causticidá — the quality of being caustic
  • Catalan: causticitat — the quality of being caustic
  • French: causticité — the quality of being caustic
  • Galician: causticidade — the quality of being caustic
  • Greek: καυστικότητα (kafstikótita) — the quality of being caustic
  • Irish: loiscneacht — the quality of being caustic
  • Italian: causticità — the quality of being caustic
  • Portuguese: causticidade — the quality of being caustic
  • Spanish: causticidad — the quality of being caustic