C4H3S

1 definition found

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

  Thienyl \Thi"e*nyl\, n. [Thiophene + -yl.] (Chem.)
     The hypothetical radical {C4H3S.}, regarded as the essential
     residue of thiophene and certain of its derivatives.
     [1913 Webster]