| 释义 |
etchant|ˈɛtʃənt|
[f. etch v.2 + -ant1.]
A corrosive agent used for etching. Also attrib.
1930Engineering 26 Sept. 388/2 Dr Voce had used the term ‘etchant’ in his paper, instead of writing the words ‘etched by’, and he would like to protest against the use of such an unpleasant word. 1950Jrnl. Iron & Steel Inst. CLXVI. 270/1 A list of ten etchants for revealing austenitic grain size. 1960New Scientist 11 Aug. 391/1 The tests will obviously have to be extended to different compositions, etchant concentrations and temperature regimes. 1968Ibid. 1 Aug. 241/3 The clue that led to the development of the new technique which may eventually replace acid etchants. |
