'H2S3O6' definitions:

Definition of 'H2S3O6'

From: 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]