| 释义 |
‖ eprouvette|epruvɛt|
[Fr. éprouvette, f. éprouver to try, to test.]
1. An apparatus for testing the strength of gunpowder. Also attrib.
1781Thompson in Phil. Trans. LXXI. 298 All the eprouvettes, or powder-triers, in common use are defective. 1839Sat. Mag., Supp. Jan. 40/1 Another form of éprouvette was devised by the late Dr. Hutton. 1846Greener Sc. Gunnery 37 Where experiments are conducted..with moveable eprouvettes, a certain loss is sustained. 1874Knight Dict. Mech. s.v. Eprouvette-gun, The éprouvette-mortar of the British service is 8 inches in diameter.
2. A spoon used in assaying metals.
1874Knight Dict. Mech., Éprouvette, a flux spoon. A spoon for sampling an assay. |