indigo

• 一种深蓝紫色；也用来形容具有这种颜色的东西。

A deep blue-purple color; also used to describe something of that color.

1. Color between blue and violetB1formal

   Describing a deep, rich color that lies between blue and violet in the spectrum.

   蓝紫色

   • She wore an indigo dress to the party.
   • The artist used indigo paint to create the night sky.
   • The indigo hue of the ocean was mesmerizing.

   同义词blue-violetdark blueviolet-blue

• 一种深蓝紫色，也指最初从木蓝属植物中提取的蓝色染料，或指这类植物本身。

A noun referring to a blue-violet color, a blue dye originally obtained from plants of the Indigofera genus, or the plant itself.

1. B2formal

   A deep blue dye historically obtained from plants of the Indigofera genus, now often produced synthetically.

   靛蓝

   • Indigo was a highly valued dye in ancient trade routes.
   • The fabric was dyed a rich shade of indigo.
   • Synthetic indigo is now commonly used in denim production.

   同义词anilindigotin

2. PlantC1formal

   A deciduous subshrub native to southeastern Asia, with pinnate leaves and clusters of red or purple flowers, used as a source of indigo dye.

   木蓝

   • The indigo plant was cultivated extensively in India.
   • Farmers harvested the indigo leaves for dye extraction.
   • Indigofera tinctoria is the most well-known species of the indigo plant.

3. A2formal

   A blue-violet color, situated between blue and violet in the visible spectrum.

   靛蓝

   • The rainbow includes the color indigo between blue and violet.
   • She painted her room a calming shade of indigo.
   • The artist used indigo to create depth in the night sky.

   同义词anil