| 单词 | white tombac |
| 释义 | > as lemmaswhite tombac white tombac n. [after French tombac blanc (1739 or earlier)] now historical a silvery-white alloy of copper and arsenic. ΚΠ 1771 J. Keir tr. P. J. Macquer Dict. Chem. I. 65 Copper is also rendered very white by mixture with arsenic. This is the white tombac [Fr. tombac blanc] which resembles silver. 1815 J. Smith Panorama Sci. & Art II. 399 Copper combines with five-sixths of arsenic, forming a white, hard and brittle alloy;..it is called white tombac. 2000 J. D. Light in K. Karklins Stud. Material Culture Res. (Soc. Hist. Archaeol.) 4/2 Historically, it was used in glass production and is found in alloys, especially copper alloys such as ‘white tombac’. < 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。