What is "sequoiene"

Sequoiene \Se*quoi"["e]ne\, n. (Chem.) A hydrocarbon ( C13H10) obtained in white fluorescent crystals, in the distillation products of the needles of the California ``big tree'' ( Sequoia gigantea).

n. (context organic compound English) A hydrocarbon (C₁₃H₁₀) obtained from the needles of the ''Sequoia gigantea''.