n. [ Pref. di- + pyridine + -yl. ] (Chem.) A crystalline nitrogenous base, C10H8N2, obtained by the reduction of pyridine. [ 1913 Webster ]

n. [ L. idyllium, Gr. &unr_;, fr. &unr_; form; literally, a little form of image: cf. F. idylle. See Idol. ] A short poem; properly, a short pastoral poem; as, the idyls of Theocritus; also, any poem, especially a narrative or descriptive poem, written in an eleveted and highly finished style; also, by extension, any artless and easily flowing description, either in poetry or prose, of simple, rustic life, of pastoral scenes, and the like. [ Written also idyll. ] [ 1913 Webster ]

Wordsworth's solemn-thoughted idyl. Mrs. Browning. [ 1913 Webster ]

His [ Goldsmith's ] lovely idyl of the Vicar's home. F. Harrison. [ 1913 Webster ]

a. Of or belonging to idyls. [ 1913 Webster ]

n. [ Pyridine + -yl. ] (Chem.) A hypothetical radical, C5H4N, regarded as the essential residue of pyridine, and analogous to phenyl. [ 1913 Webster ]