noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The dye (4E)-1-ethyl-4-[(E)-3-(1-ethylquinolin-1-ium-4-yl)prop-2-enylidene]quinoline uncountable

Synonyms

All synonyms

cryptocyanin

Etymology

From crypto- + cyanine.

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