noun ad·i·po·ni·trile \¦a-də-(ˌ)pō-ˈnī-trəl, ˌtrēl, -ˌtrī(-ə)l\

Definition of adiponitrile



  1. :  the high-boiling liquid dinitrile NC(CH2)4CN of adipic acid made from 1,4-dichlorobutane and sodium cyanide and used to make the nylon intermediate hexamethylenediamine and adipic acid —called also tetramethylene cyanide

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of adiponitrile

adip- + nitrile

First Known Use: 1902

Seen and Heard

What made you want to look up adiponitrile? Please tell us where you read or heard it (including the quote, if possible).


a brief usually trivial fact

Get Word of the Day daily email!