| 释义 | 
		fla·van·throne \flāˈvanˌthrōn, flaˈ-, | ̷ ̷ˌ ̷ ̷| ̷ ̷\ noun also fla·van·threne \-rēn\ (-s) Etymology: flavanthrone from flavanthrene + -one; flavanthrene International Scientific Vocabulary flav- + -anthrene  : a yellow vat dye C28H12N2O2 related to anthraquinone |