Webster's Revised Unabridged Dictionary · 1913

Anthracene

Anthracene ({not transcribed}) , noun

[Greek 'a`nqrax coal.]

(Chemistry) A solid hydrocarbon, C6H4.C2H2.C6H4, which accompanies naphthalene in the last stages of the distillation of coal tar. Its chief use is in the artificial production of alizarin.