indigotin noun.
[ɪn'dɪgǝtɪn, ɪndɪ'gǝʊtɪn] M19.[from INDIGO + euphonic -t- + -IN1.]Chemistry. A dark-blue crystalline compound, C
16H
10N
2O
2, which is the essential constituent of indigo and has a molecule consisting of two linked indoxyl molecules.
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