xanthene

(zant̸hēn′)

noun

a ring system, CHCHOCH, occurring as yellowish, crystalline leaflets in the molecules of many dyes

Origin: xanth(o)- + -ene

See xanthene in American Heritage Dictionary 4

noun
A yellow crystalline organic compound, CH2(C6H4)2O, that is soluble in ether and is used as a fungicide and in organic synthesis.

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