| 单词 |
metachrome |
| 释义 |
metachrome, n. and a.|ˈmɛtəkrəʊm|
[f. meta- + Gr. χρῶµα colour.]
A. n. A body that changes colour.
1876Chem. News 11 Feb. 60/2 The author..passed on to the classification of metachromes, which he [Ackroyd] arranges in two groups.
B. adj. Dye Chem. Designating mordant dyes and their mordants that may be applied simultaneously in the same bath, and the method of dyeing by this process.
1901Jrnl. Soc. Dyers & Colourists XVII. 66/1 Metachrome Brown B Paste: This colour is the first of a new series of (metachrome) dyes which have the property of dyeing in the single bath with metallic salts. Ibid., With less than 3 per cent. dyestuff, 3 per cent. metachrome mordant must be used, but with larger amounts of dyestuff an equal amount. 1927Horsfall & Lawrie Dyeing Textile Fibres ix. 263 The meta-chrome process as originally introduced..was confined to a comparatively small number of dyestuffs derived from picramic acid. 1963A. J. Hall Textile Sci. iv. 184 The third (metachrome) method enables both dye and bichromate to be applied at the same time and it depends on the fact that no appreciable combination occurs between the bichromate and the wool or the dye under alkaline conditions, but this holds only for a limited number of dyes. 1971R. L. M. Allen Colour Chem. iv. 45 In 1900 the Berlin Aniline Company devised the metachrome method whereby selected dyes can be applied simultaneously with a chroming agent. |
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
相关内容：
相关热词搜索：metachrome英英词典英英释义英语词汇意思用法释义英语
迟滞荧光 迟疑 迟疑不安 迟疑的 迟的 迟签日期 迟索的赔款 迟纳利息 迟缓 迟缓反应 迟缓小孢子菌......