| 单词 | nitro proof |
| 释义 | > as lemmasnitro proof nitro proof adj. and n. Firearms (a) adj. (of a gun) warranted as suitable for use with nitro powder; (b) n. the proving or testing of a gun intended to be used with nitro powder. ΚΠ 1900Nitro proof [see sense 1]. 1932 G. Burrard Mod. Shotgun III. xv. 312 Previous to 1925 all ordinary sporting guns of British manufacture were submitted to three different types of Proof; namely, Provisional Proof, Definitive Proof, and Nitro Proof. 1989 Miller's Collectables Price Guide 1989–90 257/1 Double action revolver..with 4 in (10 cm) barrel, nitro proof, with a leather holster and belt. < as lemmas |
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