| 释义 |
ˈbrightener
[f. as prec. + -er1.]
One who or that which brightens. spec. in Electro-plating (see quots.).
1796F. Burney Camilla ix. viii, The brightener of my every view. 1832Blackw. Mag. XXXI. 252 The richest brightener of the happiest years. 1924Blum & Hogaboom Princ. Electroplating xviii. 293 It is possible to produce bright silver deposits from solutions containing very small amounts of carbon disulphide. (CS2), which serves as a ‘brightener’. 1930Field & Weill Electro-Plating vii. 94 A number of materials are not infrequently added to the cyanide copper bath to improve the quality of the deposit. These are commonly called ‘brighteners’. |