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Webster 1913 Edition

Noun.

(Chem.)

A hydrocarbon (

C13H10

) obtained in white fluorescent crystals, in the distillation products of the needles of the California “big tree” (

Sequoia gigantea

sequoiene ‎(uncountable)

(organic chemistry) A hydrocarbon (C₁₃H₁₀) obtained from the needles of the Sequoia gigantea.