Meaning of isobutylene

i•so•bu•tyl•ene

Pronunciation: (ī"su-byt'l-ēn"), [key]
— n. Chem.
  1. a colorless, very volatile liquid or flammable gas, CH, used chiefly in the manufacture of butyl rubber.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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