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

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Origin and Etymology of adiponitrile

adip- + nitrile

First Known Use: 1902

Seen and Heard

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to cast off or become cast off

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