Search Result for "butene": 
Wordnet 3.0

NOUN (1)

1. any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers;
[syn: butylene, butene]


The Collaborative International Dictionary of English v.0.48:

butene \butene\ n. any of three isomeric singly unsaturated hydrocarbons C4H8; all are used in making synthetic rubbers; -- called also butylene. [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:

Butylene \Bu"ty*lene\, n. [From Butyl.] 1. (Chem.) Any one of three metameric hydrocarbons, C4H8, of the ethylene series. They are gaseous or easily liquefiable; -- called also butene. [1913 Webster] 2. the hypothetical divalent radical -(CH2)4-; -- used in combining forms; as, butylene diamine. [PJC]
WordNet (r) 3.0 (2006):

butene n 1: any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers [syn: butylene, butene]