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sulphindigotic - Meaning and Examples

Meaning of 'sulphindigotic' (Webster Dictionary)

1 . 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.