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Meaning of polybutadiene

pol•y•bu•ta•di•ene

Pronunciation: (pol"ē-by"tu-dī'ēn, -dī-ēn'), [key]
— n. Chem.
  1. a rubberlike polymer of butadiene blended with other synthetics to replace natural rubber in tires.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.