etchantn.
/ˈɛtʃənt/ A corrosive agent used for etching. Also attributive.
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society > occupation and work > materials > derived or manufactured material > materials used in metallurgical processes > [noun] > substance used for testing
etchant1930
society > leisure > the arts > visual arts > printmaking > engraving > intaglio printing > [noun] > etching > corrosive agent
etch-water1738
mordant1878
etchant1930
1930 Engineering 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.
1950 Jrnl. Iron & Steel Inst. 166 270/1 A list of ten etchants for revealing austenitic grain size.
1960 New Scientist 11 Aug. 391/1 The tests will obviously have to be extended to different compositions, etchant concentrations and temperature regimes.
1968 New Scientist 1 Aug. 241/3 The clue that led to the development of the new technique which may eventually replace acid etchants.
This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018).
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n.1930