The blue colouring matter of indigo, also called indigotin, C16H10N2O2, crystallizing in fine right rhombic prisms of blue colour and metallic…
| 单词 | θ81884 |
| 释义 | the world > matter > colour > named colours > blue or blueness > blue colouring matter > [noun] (91) 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. anthocyanin1853 Any of a class of blue, violet, or red flavonoid pigments occurring in plants. Cf. anthocyanidin, n. phycocyan1866 = phycocyanin, n. stentorin1873 (See quot. 1873.) oocyan1875 a blue pigment occurring in the shells of birds' eggs. phycocyanin1875 Any of various blue or blue-green phycobiliprotein pigments that are the dominant photosynthetic pigments in most blue-green algae and also occur in… phycocyanogen1881 = phycocyanin, n. Subcategories:— of urine (1) — blue pigment (44) — dyes and dyestuffs (37) — stain (1) |
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