Pyridyl

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pyridyl \Pyr"i*dyl\, n. [Pyridine + -yl.] (Chem.)
     A hypothetical radical, {C5H4N}, regarded as the essential
     residue of pyridine, and analogous to phenyl.
     [1913 Webster]