One of the mysteries of the English language finally explained.
A dark blue crystalline compound which is the main constituent of the dye indigo.
Chemical formula: (C₈H₆NO)₂
- ‘The indican is oxidized to form the deep blue indigotin.’
- ‘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.’
Mid 19th century: from indigo + -t- (for ease of pronunciation) + -in.
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.