Meaning of cyclopentadiene

cy•clo•pen•ta•di•ene

Pronunciation: (sī"klu-pen"tu-dī'ēn, sik"lu-), [key]
— n.
  1. a colorless liquid, CH, derived by the distillation of coal tar: used chiefly in the manufacture of insecticides and resins.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.