单词 | haematoxylin |
释义 | haematoxylinhematoxylinn. Chemistry. A crystalline substance (C16H14O6) obtained from logwood; colourless when pure, but affording fine red, blue, and purple dyes by the action of alkalis and oxygen; its aqueous solution also affords a fluid used for staining vegetable tissues. ΘΚΠ the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > haematoxylin haematin1819 haematoxylin1847 1847 J. Craig New Universal Dict. Hæmatoxyline..the colouring matter of..Logwood. 1876 J. Van Duyn & E. C. Seguin tr. E. L. Wagner Man. Gen. Pathol. 317 The calcified parts are not colored by carmine, but are colored blue by hæmatoxylin. 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 947 The net-work readily stains with hæmatoxylin, but the fluid remains colourless. Derivatives haematoˈxylic adj. derived from hæmatoxylin. ΘΚΠ the world > matter > chemistry > organic chemistry > organic dyes > [adjective] > other derivatives haematoxylic1892 1892 G. S. Woodhead Pract. Pathol. (ed. 3) ii. 81 Hæmatoxylic glycerine is prepared by adding a saturated solution of hæmatoxylin to glycerine saturated with potash alum. This entry has not yet been fully updated (first published 1898; most recently modified version published online September 2018). < |
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