from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of several forms of butylene.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several forms of butylene.

from the GNU version of the Collaborative International Dictionary of English

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

from The Century Dictionary and Cyclopedia

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

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

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


Sorry, no etymologies found.



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