adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A refracting lens, which can be used to cauterise.
2. 2
   The curve or surface formed by the intersection of refracted light rays.

Adjective

1. 1
   Relating to the caustic curves formed by the refraction of light. not-comparable

Synonyms

All synonyms

arcbowcatenarycausticcirclecrook

Etymology

From dia- + caustic.

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