noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A red anthraquinone dye, extracted from madder, that is used as a biological stain countable, uncountable
2. 2
   A protein of the lipocalin family countable, uncountable
3. 3
   A brownish or deep red decorative glass used in ancient times countable, historical, uncountable

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