腈纶 jīnglún acrylic fiber Origin Definitions Defs Strokes Stroke Words Sentences Sents 腈 jīng nitrile (bound form) organic compound containing a cyano group; usually a colorless liquid or solid with a distinct odor, used in making synthetic fibers like 腈纶 jīnglún纶 綸 lún synthetic fiber (bound form) used in the names of synthetic fibers