Word Study
sulphato- |
sulphaurate |
sulphauric |
sulphide |
sulphinate |
sulphindigotic
| sulphine
| sulphinic
| sulphinide
| sulphion
| sulphionide
sulphindigotic
CIDE DICTIONARY
sulphindigotic, a.
Of, pertaining to, or designating, a sulphonic acid obtained, as a blue solution, by dissolving indigo in sulphuric acid; -- formerly called also cerulic sulphuric acid, but properly called indigo-disulphonic acid . [1913 Webster]
For further exploring for "sulphindigotic" in Webster Dictionary Online