noun Chemistry.
  1. a colorless, liquid hydrocarbon, C9H8, obtained from coal tar by fractional distillation: used in synthesizing resins.

Origin of indene

First recorded in 1885–90; ind- + -ene Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for indene


  1. a colourless liquid hydrocarbon extracted from petroleum and coal tar and used in making synthetic resins. Formula: C 9 H 8

Word Origin for indene

C20: from indole + -ene
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

indene in Science


  1. A colorless organic liquid obtained from coal tar and used in preparing synthetic resins. Chemical formula: C9H8.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.