indigotin

American  

[in-dig-uh-tin, in-di-goht-n] / ɪnˈdɪg ə tɪn, ˌɪn dɪˈgoʊt n /

noun

1. indigo blue.

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indigotin British  

/ ˌɪndɪˈɡəʊ-, ɪnˈdɪɡətɪn /

noun

1. another name for indigo

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Etymology

Origin of indigotin

First recorded in 1830–40; indigot(ic) + -in ²

Example Sentences

The stamps are usually covered with a black ink made of sulphate of iron, and this is fixed by myrobalans; the Nīlgars usually dye a plain blue with indigotin.

From The Tribes and Castes of the Central Provinces of India Volume II by Russell, R. V. (Robert Vane)

The colouring principle of indigo is a body named indigotin, to which the formula C16H16N2O2 has been given.

From The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student by Beech, Franklin

To neutralise this purple effect, a small quantity of a yellow dyestuff and a trifle of indigotin are added.

From The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association by Shonk, Albert