noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The quality of being fissile (in any sense). uncountable, usually
2. 2
   The property of mudstones to split along layers, more or less parallel to the plane of bedding, thus becoming described as shales. uncountable, usually

Synonyms

All synonyms

delicacyfragilityfrailtyvulnerability

Etymology

From fissile + -ity.

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