indican noun. ['ɪndɪkan] M19.
[from Latin indicum INDIGO + -AN.]
Chemistry.
1. An indoxyl glucoside occurring in the leaves of woad and indigo plants and yielding indigo on hydrolysis and oxidation. M19.

2. A substance (orig. thought similar to the above) found in urine, in which it occurs as a product of amino-acid metabolism: (the potassium salt of) indoxylsulphuric acid, C₈H₆NOSO₂OH. M19.

■ indica'nuria noun (Medicine) the presence of excessive amounts of indican in the urine L19.

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