Definition of indigotin in English:

indigotin

noun

Chemistry
  • [mass noun] A dark blue crystalline compound which is the main constituent of the dye indigo.

    • ‘Indigotin (from woad) was used in conjunction with other dyes to produce several purples (with madder) and a green (with the unidentified yellow).’
    • ‘In 15 samples, carminic acid was found in combination with indigotin.’
    • ‘The indican is oxidized to form the deep blue indigotin.’

Origin

Mid 19th century: from indigo + -t- (for ease of pronunciation) + -in.

Pronunciation:

indigotin

/ɪnˈdɪɡətɪn/