from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of three gaseous isomeric ethylene hydrocarbons, C4H8, used principally in making synthetic rubbers.

from The Century Dictionary.

  • noun The official name of the hydrocarbon C4H8. It exists in three isomeric forms. Also called butylene.

from the GNU version of the Collaborative International Dictionary of English.

  • noun any of three isomeric singly unsaturated hydrocarbons C4H8; all are used in making synthetic rubbers; -- called also butylene.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry Any of several forms of butylene.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers


Sorry, no etymologies found.



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