from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the quality of being caustic
from The Century Dictionary and Cyclopedia
- n. The property of being caustic, that is, of corroding or disorganizing animal matter, or the quality of combining with the principles of organized substances so as to destroy the tissue; corrosiveness. This property belongs to concentrated acids, pure alkalis, and some metallic salts.
- n. Figuratively, severity of language; pungency; sarcasm.
caustic + -ity (Wiktionary)