Longman Dictionary of Contemporary English - ratchet
Связанные словари
Ratchet
ratchet
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1.
(ratchets, ratcheting, ratcheted) 1. In a tool or machine, a ratchet is a wheel or bar with sloping teeth, which can move only in one direction, because a piece of metal stops the teeth from moving backwards. The chair has a ratchet below it to adjust the height... N-COUNT 2. If a tool or machine ratchets or if you ratchet it, it makes a clicking noise as it operates, because it has a ratchet in it. The rod bent double, the reel shrieked and ratcheted... She took up a sheet and ratcheted it into the typewriter. VERB: V, V n 3. If you describe a situation as a ratchet, you mean that it is bad and can only become worse. (mainly BRIT) ...another raising of the ratchet of violence in the conflict. N-SING: with supp ...Collins COBUILD Advanced Learner's English Dictionary
2.
I. noun also rachet Etymology: alteration of earlier rochet, from French, alteration of Middle French rocquet ~, bobbin, of Germanic origin; akin to Old High German rocko distaff — more at rock Date: 1654 1. a mechanism that consists of a bar or wheel having inclined teeth into which a pawl drops so that motion can be imparted to the wheel or bar, governed, or prevented and that is used in a hand tool (as a wrench or screwdriver) to allow effective motion in one direction only 2. a pawl or detent for holding or propelling a toothed wheel II. verb also rachet Date: 1972 transitive verb to cause to move by steps or degrees — usually used with up or down tried to ~ down the debt intransitive verb to proceed by steps or degrees ...Merriam-Webster Collegiate Dictionary
3.
n. & v. --n. 1 a set of teeth on the edge of a bar or wheel in which a device engages to ensure motion in one direction only. 2 (in full ratchet-wheel) a wheel with a rim so toothed. --v. (ratcheted, ratcheting) 1 tr. a provide with a ratchet. b make into a ratchet. 2 tr. & intr. move as under the control of a ratchet. Etymology: F rochet blunt lance-head, bobbin, ratchet, etc., prob. ult. f. Gmc ...Толковый словарь английского языка Oxford English Reference
4.
1) храповой механизм, храповик; храповое колесо приводить в движение или задерживать движение при помощи храпового механизма 2) собачка (храпового механизма); трещотка 3) запор (замка застёжки-молнии) - brake ratchet - hoist ratchet - jack ratchet - roller-type ratchet ...Большой Англо-русский Русско-английский политехнический словарь
Англо-русский строительный словарь
6.
1) рачка 2) трещотка 3) храповик 4) шестеренка вращательная - brake ratchet - dial ratchet - ratchet brake - ratchet effect - ratchet lift - ratchet wheel - ratchet wrench - starting ratchet ...Англо-русский Русско-английский научно-технический словарь
7.
1) тех. трещотка ratchet spanner — гаечный ключ с трещоткой 2) тех. собачка 3) тех. храповик 4) эк., бирж. "храповик", "храповое колесо" (неизбежное движение цены вверх/вниз) the upward ratchet of oil prices — рост цен на нефть Syn: ratchet effect See: random-walk theory ...Англо-русский Русско-английский экономический словарь
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English abbreviation dictionary
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