noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The quality or condition of being refractive. uncountable
2. 2
   the physical property of a medium as determined by its index of refraction wordnet

Synonyms

All synonyms

refractivityrefractivity

Etymology

From refractive + -ness.

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