fulvene

noun

ful·​vene

ˈfu̇lˌvēn,

ˈfəl-

plural -s

: an unstable yellow hydrocarbon C₆H₆ that is a methylene derivative of cyclopentadiene

also : any of a series of its derivatives

Word History

Etymology

German fulven, from Latin fulvus tawny + German -en -ene

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