| 释义 |
gold leaf
(Often hyphened.)
a. (with pl. gold leaves.) A minute quantity of gold, beaten out into an extremely thin sheet, averaging from 3 to 3½ inches square.
b. (sing. only.) Gold in this form used in gilding, etc.
1727–41Chambers Cycl., Gold-leaf, or beaten Gold, is gold beaten with a hammer into exceedingly thin leaves... Each book ordinarily contains twenty-five gold leaves. 1799G. Smith Laboratory I. 195 You may lay on gold leaves with brandy. 1811A. T. Thomson Lond. Disp. (1818) 44 The finest silver leaf being only one-third thicker than gold leaf. 1839Ure Dict. Arts 611 Skins prepared from ox-gut are now interposed between each gold leaf. 1884Chamb. Jrnl. 10 May 294/1 A mandarin..is graciously allowed to choke himself by swallowing gold-leaf.
c. gold leaf electrometer, gold leaf electroscope, gold leaf galvanoscope, appliances in which gold leaf is used as a detector.
1812Sir H. Davy Chem. Philos. 168 An insulated gold leaf electrometer. 1870R. M. Ferguson Electr. 53 A gold leaf electroscope. |