Meaning of diphenylacetylene

di•phen•yl•a•cet•y•lene

Pronunciation: (dī-fen'l-u-set'l-ēn", -fēn'-), [key]
— n. Chem.
  1. tolan.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.