| 单词 | aldehyde green |
| 释义 | > as lemmasaldehyde green aldehyde green n. [after German Aldehydgrün (1866 or earlier); compare French vert d'aldéhyde (1867 or earlier)] now historical a green dye prepared by reacting acetaldehyde (ethanal) with rosaniline followed by treatment with sodium hyposulphite; also called aniline green. ΚΠ 1869 Index Foreign Sci. Periodicals 1 Oct. 324 M. Reimann.—On the Preparation of Aldehyde Green for Dyeing. 1891 London, Edinb., & Dublin Philos. Mag. 5th Ser. 32 400 Of the various preparations of aldehyde green, the purest should be taken, which dissolves easily in amylic alcohol with a colour like that of solutions of nickel salts. 1905 J. C. Cain & J. F. Thorpe Synthetic Dyestuffs xxv. 174 The first green synthetic dyestuff was Aldehyde green, discovered in 1862 by Cherpin; but it was quickly replaced by Iodine green. 2004 C. Weadon & W. Martin in R. A. Charvat Coloring of Plastics (ed. 2) xii. 177 A precipitated form of aldehyde green was made and was used to dye a silk gown for Empress Eugenie. < as lemmas |
| 随便看 |
英语词典包含1132095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。