|adə(ˌ)pōˈnī.trə̇l; -.ˌtrēl, -īl noun
( -s )
Etymology: adip- + nitrile
: the high-boiling liquid dinitrile NC(CH 2 ) 4 CN 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