noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of several isomeric organic compounds with formula C₁₄H₈O₅, formally derived from anthraquinone by replacing three hydrogen atoms by hydroxyl groups, and including several historically important dyes.

Related phrases

organic compound

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