Butylene

Noun

bu=tyl=ene

WORDNET DICTIONARY

butylene(n = noun.substance) butene - any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers; Array

has particulars: isobutylene, polybutene, polybutylene

is a kind of gas

Butylene, n. [From Butyl.].

Any one of three metameric hydrocarbons, C4H8, of the ethylene series. They are gaseous or easily liquefiable; -- called also butene. [1913 Webster]
the hypothetical divalent radical -(CH2)4-; -- used in combining forms; as, butylene diamine. [PJC]

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