quinoxaline

American

[kwi-nok-suh-leen, -lin] / kwɪˈnɒk səˌlin, -lɪn /

Also quinoxalin

noun

Chemistry.

a colorless, crystalline, water-soluble powder, C 8 H 6 N 2 , used chiefly in organic synthesis.

1880–85; quin(ine) + (gly)oxal + -ine ²

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023