Definition of ratchet in English:
- A ratchet is a mechanical device that restricts movement in one direction and allows movement in the opposite direction.
- I like this position as it means that, if required, you can easily engage or disengage the ratchet with the hand that is holding the rod while playing a fish.
- Unlike using a ratchet, which allows for only a series of preset pitches, to hold the blades in position, the cam can grip anywhere along the guide are, allowing for very fine adjustments.
- The drive mechanism may comprise a ratchet and pawl.
- The device was designed and built by chemists at the Universities of Edinburgh and Bologna, and it is the hydrogen bonds that act as locking teeth on a molecular ratchet, controlling the movements of the wheels.
- In the same area is the lever that engages the ratchet to rotate the cylinder.
- In three major towns in Antrim, the sectarian ratchet is being turned up.
- That would have given each worker a stake of £100,000 or more, based on the equity ratchet, and a real incentive to drive forward shareholder value.
- The international and domestic prestige that can be derived from space achievements can best be understood as a series of ratchets on a downward slope.
verb (ratchets, ratcheting, ratcheted)[with object] Back to top
- The researchers aimed to use the brake to ratchet the propeller in only one direction, by executing a series of chemical reactions between blade and brake.
- Somewhere a Dumpster is ratcheted open by the claws of a black machine.
- Quickly repeating these jaw movements, the threadsnake ratchets the squirmy prey farther and farther down the hatch.
- The last battle, in particular, really ratchets up the tension.
- But as the vice president ratchets up his attacks on John Kerry, questions are raised about Cheney himself and his role in a campaign that is coming more into focus.
- The tension ratchets upwards a notch in each successive movement.
mid 17th century: from French rochet, originally denoting a blunt lance head, later in the sense 'bobbin, ratchet'; related to the base of archaic rock 'quantity of wool on a distaff for spinning'.
Definition of ratchet in:
- British & World English dictionary
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