# causticity

> English word · Noun · IPA /kɔːˈstɪsɪti/

## Definitions
1. The quality of being physically caustic; burning, corrosive.
2. Being caustic in speech, humour etc.

## Etymology
From caustic + -ity.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/causticity