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ratchet Definition

ratchet (rac̸hit)

noun

  1. a toothed wheel (in full ratchet wheel) or bar whose teeth slope in one direction so as to catch and hold a pawl, which thus prevents backward movement
  2. such a pawl
  3. such a wheel (or bar) and pawl as a unit: used in some wrenches, screwdrivers, etc. to allow motion in only one direction

Etymology: earlier rochet < Fr, lance head, distaff < It rocchetto, bobbin, spindle, dim. of rocca, distaff < Goth *rukka, akin to OHG roccho, spindle, distaff < IE base *ruk(k)-, spun yarn

transitive verb, intransitive verb

to (cause to) change in increments: usually with up or down to ratchet up interest rates

ratchet Synonyms

ratchet

n.

catch, sprocket, sprocket wheel, cogwheel; see cog, wheel 1.

ratchet Usage Examples

Converse of object

  • have: The dial also has a sun compass function Has a 10 hour ratchet operated rotating bezel, with bezel rider tabs for easy gripping.
  • use: Easy to use ratchet controlled independent back height adjustment.
  • tighten: Every new treaty, directive and regulation tightens the ratchet even further.

Noun used with modifier

  • drive: In about 1982 - 83 I bought a short 3/8 drive ratchet, about £ 25 I think.
  • handbrake: All we can say is that the handbrake ratchet is part of the MOT Test.
  • tension: The dramatic tension ratchets up because we see his deviousness long before the Americans notice it.

Adjective modifier

  • directional: Has a sturdy uni directional ratchet operated rotating bezel in mat black.
  • sturdy: Has a sturdy steel ratchet operated uni directional rotating bezel.
  • non: The rotating slide rule bezel is bi directional and and non ratchet.
  • one-way: The one-way ratchet enshrined in the legislation is entirely wrong.
  • built-in: The built-in ratchet provides a simple solution when space is limited.

Modifies a noun

  • wrench: All models are supplied in steel storage case or tray and are suitable for use with air impact guns and air operated ratchet wrenches.
  • spanner: Normally a ratchet spanner is quite a bit thicker than a normal one due to the mechanism.
  • strap: Did you know, we also sell quality ratchet straps?
  • mechanism: The ratchet mechanism for the gate paddle is fitted.
  • wheel: A bar on a pivot called the " pawl " is fixed above the ratchet wheel.
  • device: Provided that they are properly maintained, counterbalance springs and similar counterbalance or ratchet devices to hold them in the open position are acceptable.

Preposition: up

  • tension: Royal Mail ratchets up the tension in the post office Royal Mail's cost-cutting is creating the conditions for a possible national dispute.
  • pressure: It's to ratchet up the international pressure on Iran.
  • performance: What can we do to ratchet up the performances?

Browse dictionary entries near ratchet

  1. ratbite fever
  2. ratatouille
  3. rataplan
  4. ratafia
  5. ratable
  6. rat snake
  7. rat race
  8. rat mite
  9. rat kangaroo
  10. rat fink
  1. rate
  2. rate adaption
  3. rate of exchange
  4. rateable
  5. rated
  6. ratel
  7. ratepayer
  8. -rater
  9. rates and tariffs
  10. ratfish