Indigo

(noun.) a blue-violet color.

(noun.) deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye.

(adj.) having a color between blue and violet; 'indigo flowers' .

杰弗里整理

• When the plantation indigo was worth three-fourths of the price of the best French indigo, it was, by this act, entitled to a bounty of 6d. 亚当·斯密. 国富论.
• In 1840 Fritzsch obtained from indigo a product which he called Aniline, from Anil, the Portuguese for indigo. Edward W. Byrn. 十九世纪发明进展.
• In 1826 Unverdorben obtained from indigo a substance which he called Crystalline. Edward W. Byrn. 十九世纪发明进展.
• The white light of the sun is composed of the seven colors: red, orange, yellow, green, blue, indigo, and violet. Edward W. Byrn. 十九世纪发明进展.
• If we examine such a spectrum we find the following colors in order, each color imperceptibly fading into the next: violet, indigo, blue, green, yellow, orange, red. 伯莎M.克拉克. 科学通论.
• Its color at first is of a dark indigo-blue tint, changing soon into a permanent black. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• He now stood, a most sinister phantom, half his person being dyed of the deepest tint of indigo, leaning on the desk. 夏洛蒂·勃朗特. 雪莉.
• Moreover, by the mixture of these three colors in proper proportions, any color of the spectrum, such as yellow or indigo or orange, may be obtained. 伯莎M.克拉克. 科学通论.
• Up to that time, dyes were few in number and were extracted solely from plants, principally from the indigo and madder plants. 伯莎M.克拉克. 科学通论.

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