单词 | eprouvette |
释义 | eprouvetten. 1. An apparatus for testing the strength of gunpowder. Also attributive. ΘΚΠ society > armed hostility > military equipment > production and development of arms > [noun] > manufacture of firearms and ammunition > testing > testing instruments > apparatus for testing gunpowder powder-trier1667 eprouvette1782 powder prover1792 proof1800 provett1811 1782 B. Thompson in Philos. Trans. 1781 (Royal Soc.) 71 298 All the eprouvettes, or powder-triers, in common use are defective. 1839 Sat. Mag., Supp. Jan. 40/1 Another form of éprouvette was devised by the late Dr. Hutton. 1846 W. Greener Sci. Gunnery (new ed.) 37 Where experiments are conducted..with moveable eprouvettes, a certain loss is sustained. 1875 E. H. Knight Amer. Mech. Dict. II. 807/2 The éprouvette-mortar of the British service is 8 inches in diameter. 2. A spoon used in assaying metals. ΚΠ 1874 E. H. Knight Pract. Dict. Mech. Éprouvette, a flux spoon. A spoon for sampling an assay. This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2021). < n.1782 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。