noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The formation of pits on a surface. countable, uncountable
2. 2
   The formation, in a fluid, of vapor bubbles that rapidly collapse, especially in a rotating marine propeller or pump impeller. countable, uncountable
3. 3
   The formation of cavities in an organ, especially in lung tissue as a result of tuberculosis. countable, uncountable

Etymology

From cavity + -ation.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.