noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The act of making subtle. countable, uncountable
2. 2
   The operation of making so volatile as to rise in steam or vapour. countable, obsolete, uncountable
3. 3
   refinement; subtlety; extreme attenuation countable, uncountable

Synonyms

All synonyms

thinning

Etymology

Compare French subtilization.

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