noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The act of dividing or opening; the formation of a fissure. countable, uncountable
2. 2
   The condition of having fissures. countable, uncountable

Etymology

From fissure + -ation.

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