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Webster 1913 Edition

Thionaphthene

Thiˊo-naph′thene

,

Noun.

[

Thio

phene +

naphth

al

ene

.]

(Chem.)

A double benzene and thiophene nucleus,

C8H6S

, analogous to naphthalene, and like it the base of a large series of derivatives.

[Written also

thionaphtene

.]