| 单词 | button balance |
| 释义 | > as lemmasbutton balance button balance n. now chiefly historical a set of scales for weighing metal buttons (sense 12), esp. for the purposes of assay. ΚΠ 1883 W. T. Brannt tr. B. Kerl Assayer's Man. 70 Bullion or button balance, inclosed in a case, for weighing gold and silver beads and alloys of precious metals. 1900 Coal & Metal Miners' Pocket Bk. (ed. 6) 576 Button Balance. 1981 Jrnl. Geol. Educ. 29 72/2 In the case at the left is a very sensitive ‘button’ balance for weighing gold and silver ‘buttons’. < as lemmas |
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