An intensely blue substance obtained from indigo.
| 单词 | θ17924 |
| 释义 | the world > life > biology > substance > pigment > [noun] > unspecified pigments > blue (3) cerulein1806 An intensely blue substance obtained from indigo. indigo-blue1838 The blue colouring matter of indigo, also called indigotin, C16H10N2O2, crystallizing in fine right rhombic prisms of blue colour and metallic… indigotin1838 = indigo-blue, n. 2. |
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