单词	rifling
释义	rifling noun ri·​fling ˈrī-f(ə-)liŋ  1 : the act or process of making spiral grooves 2 : a system of spiral grooves in the surface of the bore of a gun causing a projectile when fired to rotate about its longer axis Example Sentences Recent Examples on the Web The Creedmoor gets its longrange performance reputation from a combination of 140- to 143-grain, high B.C. bullets and fast twist rifling, usually 1:8 or even 1:7.5. Ron Spomer, Outdoor Life, 10 Sep. 2020 The baseline model has a 16-inch barrel with six-groove rifling and a 1:9 rate of twist. Mike Dickerson, Field & Stream, 19 Aug. 2020 The Compass has a three-lug bolt, a three-position safety, a user adjustable trigger, and 5R rifling is standard. Richard Mann, Outdoor Life, 17 Sep. 2019 The rifling at the muzzle of my match rifle shows hardly any wear at all. David E. Petzal, Field & Stream, 20 Feb. 2020 Extending the forcing cone gives the slug a better transition into the rifling, Klotz says. Curtis Niedermier, Outdoor Life, 18 Nov. 2019 There are small grooves — called rifling — twisting in a spiral down the barrels. Leah Sottile, Longreads, 6 Feb. 2018 In real guns, the rifling propels the bullet out of the chamber in a spiraling motion. Leah Sottile, Longreads, 6 Feb. 2018 See More Word History First Known Use 1797, in the meaning defined at sense 1 rifling verb present participle of rifle as in searching to look through (as a place) carefully or thoroughly in an effort to find or discover something rifled the desk drawer in search of the insurance policy Synonyms & Similar Words Relevance searching scanning combing rummaging raking scouring finding surveying dredging ransacking trolling locating examining exploring investigating inspecting frisking probing discovering snooping learning detecting auditing ascertaining prospecting scrutinizing hunting (through) patting down sorting (through) reviewing shaking down skirmishing digging (through) browsing determining running down descrying perusing finding out studying getting looking over tracking (down) scaring up ferreting (out) checking (out) grubbing (about) hitting (on or upon) poking (around) glancing (over) Antonyms & Near Antonyms hiding losing ignoring abandoning neglecting
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