Trithionic

1 definition found

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

  Trithionic \Tri`thi*on"ic\, a. [Pref. tri- + thionic.] (Chem.)
     Of or pertaining to, or designating, a certain thionic acid,
     {H2S3O6} which is obtained as a colorless, odorless liquid.
     [1913 Webster]