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Webster 1913 Edition

Trimethylene

Tri-meth′yl-ene

,

Noun.

(Chem.)

A gaseous hydrocarbon,

C3H6

, isomeric with propylene and obtained from it indirectly. It is the base of a series of compounds analogous to the aromatic hydrocarbons.

CH2 / \ H2C[GREEK][GREEK][GREEK]CH2 –>