- sprag
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• короткая стойка• подпорка• подшашка во вруб• подшашка под вруб• распорка
English-Russian dictionary of geology. 2011.
sprag
Смотреть что такое "sprag" в других словарях:
Sprag — Sprag, v. t. [imp. & p. p. {Spragged} (spr[a^]gd); p. pr. & vb. n. {Spragging} ( g[i^]ng).] 1. To check the motion of, as a carriage on a steep grade, by putting a sprag between the spokes of the wheel. R. S. Poole. [1913 Webster] 2. To prop or… … The Collaborative International Dictionary of English
sprag — [sprag] n. [prob. < Scand, as in Dan sprag, twig < base of sprage, to crack, crackle: for IE base see SPARK1] 1. a roof prop used in a coal mine ☆ 2. a device for preventing a vehicle from rolling backward on a grade … English World dictionary
Sprag — Sprag, a. See {Sprack}, a. Shak. [1913 Webster] … The Collaborative International Dictionary of English
Sprag — (spr[a^]g), n. [Cf. Icel. spraka a small flounder.] (Zo[ o]l.) A young salmon. [Prov. Eng.] [1913 Webster] … The Collaborative International Dictionary of English
Sprag — Sprag, n. [See {Spray} a branch.] A billet of wood; a piece of timber used as a prop. [1913 Webster] … The Collaborative International Dictionary of English
sprag — sprag·ger; sprag; … English syllables
sprag — (n.) prop in a mine, 1841, of unknown origin. Transferred by 1878 to wood blocks, etc., used to brake motor vehicles. As a verb, from 1841. Related: Spragged; spragging … Etymology dictionary
Sprag — A sprag is a one way freewheel clutch used in a number of applications. It resembles a roller bearing with rollers shaped like a figure eight and cocked with a spring. When the unit rotates in one direction, the rollers stand up and bind because… … Wikipedia
sprag — sprag1 /sprag/, n., v., spragged, spragging. n. 1. a pole or bar hinged to the rear axle of a cart or the like in such a way that it can brace the vehicle against a road to prevent it from rolling downhill. 2. Mining. a short timber for propping… … Universalium
sprag — I. /spræg/ (say sprag) noun 1. a chock or pointed steel bar hinged to the rear axle of a vehicle and let down to arrest backward movement on gradients; dogstick. 2. Mining a short, round piece of hard wood, sharpened at both ends, inserted… …
sprag — kaištis statusas T sritis Gynyba apibrėžtis Atsikišimas, kuris neleidžia orlaivyje esančiai platformai ar padėklui judėti į šonus. atitikmenys: angl. spigot; sprag pranc. tenon … NATO terminų aiškinamasis žodynas
