Artificial intelligent assistant

sulphindigotic

sulphindigotic, a. Chem.
  (sʌlfɪndɪˈgɒtɪk)
  [sulph-.]
  sulphindigotic acid: an acid formed by the action of sulphuric acid on indigo. Hence sulˈphindigotate, a salt of sulphindigotic acid. (Also sulpho-indigotic, -ate.)

1857 [see next]. 1876 tr. Schützenberger's Ferment. 110 Sodium sulphindigotate. 1896 Allbutt's Syst. Med. I. 514 Formate and sulphindigotate of sodium.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 2267d4fbd45615a68ba39af1375073b8