Deuto-

1 definition found

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

  Deuto- \Deu"to-\or Deut- \Deut-\ (d[=u]t-)[Contr. from Gr.
     dey`teros second.] (Chem.)
     A prefix which formerly properly indicated the second in a
     regular series of compound in the series, and not to its
     composition, but which is now generally employed in the same
     sense as {bi-} or {di-}, although little used.


     [1913 Webster]