| 释义 |
▪ I. sighting, vbl. n.1|ˈsaɪtɪŋ|
[f. sight v.1]
†1. A method of cheating at dice. Obs.
c1752Art & Myst. Gaming Title-p., The Art and Manner of working with a Great-Box; Eclipsing, Sighting, Waxing and Popping, &c.
2. The action of looking, catching sight of, inspecting or examining, etc. Also, an instance of catching sight (esp. of something rare or unusual).
1853Kane Grinnell Exp. xxv. (1856) 203 The mere sighting of a distant coast. 1896Daily News 21 Dec. 2/1 Thus enabling the docking, sighting, cleaning, painting and undocking of vessels to be accomplished in one tide. 1955W. Girvan Flying Saucers & Common Sense i. 13 It was not long before sightings were being reported elsewhere than in Scandinavia. 1968Listener 4 July 18/2 Our objection is against the extraterrestrial origin of the phenomena, and most of us base our disbelief on the very large number of ‘sightings’ that have been reported. 1976Scotsman 15 Dec. 9/4 The experiment to reintroduce the white-tailed eagle to the Isle of Rhum National Nature Reserve is reported to be going well, with sightings of the released birds.
3. a. The action of giving to a gun the proper elevation and direction to hit the object aimed at.
1884Times (weekly ed.) 8 Feb. 1/3 The gunners were ignorant of the process of sighting. 1893F. Adams New Egypt 235 The British Admiral bore ungrudging witness..to the excellent sighting of the guns.
b. sighting-in, the action of correcting the sights of a fire-arm, etc. Cf. sight v.1 3 b. N. Amer.
1958Washington Post 31 Oct. d6/3 (heading) 2 Days are Set for Sighting-In. 1962Wildlife Rev. Dec. 9 The opening of a sighting-in range at Maiden Creek some 12 miles north of Cache Creek has been welcomed with enthusiasm by sportsmen. 1970R. A. Steindler Firearms Dict. 229/1 Sighting-in, process of adjusting the sights, usually the rear one, or the elevation..& windage..adjustments of a scope, so that the bullet will hit a predetermined point of aim on the target at a specific distance. Much of the trial & error method of sighting-in a rifle can be eliminated by the use of a collimator.
4. attrib., esp. sighting-shot, a preliminary shot allowed to each competitor in a shooting-match.
1909Cent. Dict. Suppl. 1217/1 Modern turrets usually have three sighting-hoods, one in the center line for the turret training-pointer and one on each side for the two gun-pointers. 1973J. Quick Dict. Weapons & Military Terms 400/1 Sighting hood, an armored hood with viewing slits in the sides, as on the top of a turret, a submarine, etc.
1895Outing XXVI. 397/2 The disk of the sighting rod is turned up to coincide with the sight.
1897Westm. Gaz. 30 Nov. 5/1 The sighting-room of the Royal Gun Factories.
1872Daily News 15 July, He..fired his two sighting-shot bull's-eyes straight from the shoulder.
1861Times 12 July, They had sold..8,000 tickets for the sighting targets.
1946Nature 12 Oct. 518/2 Radiation from a 5 sq. mm. area of tyre falls on to the cell via an arrangement which comprises a water-cooled copper sighting-tube and a rotating slotted disk which serves as the radiation chopper. 1958J. Needham in Aspects of Translation 86 And there are holes which take the place of the sighting-tube for looking up (at the heavenly bodies).
▪ II. † ˈsighting, vbl. n.2
[f. sight v.2]
Sighing.
13..Cursor M. 10496 (Gött.), To-quilys scho mened þus hir care, wid weping and wid sihting sare. 1520Calisto & Melib. A iij, Craft in them renewyng that neuer decays, Theyre seyenges, sightynges, prouokynges, theyr plays.
▪ III. † ˈsighting, vbl. n.3
[? ad. LG. sichting (G. sichtung), vbl. n. f. sichten to sift: cf. sight n.3]
The result of straining; strained matter.
1559Morwyng Evonym. 376 Sieth this sighting to the thiknes of hony. |