from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A volatile flammable hydrocarbon consisting of a five-carbon chain with two double bonds, used as a monomer in the manufacture of plastics, adhesives and resins.

from the GNU version of the Collaborative International Dictionary of English

  • n. A hydrocarbon obtained by decomposition of certain piperidine derivatives.

from The Century Dictionary and Cyclopedia

  • n. An oily, unsaturated hydrocarbon, C5H10 or 1,4-pentadiene, made by distilling trimethylpiperidine. It boils at 42° C.


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