ratchet

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ratchet

1. a device in which a toothed rack or wheel is engaged by a pawl to permit motion in one direction only
2. the toothed rack or wheel forming part of such a device

ratchet

[′rach·ət]
(design engineering)
A wheel, usually toothed, operating with a catch or a pawl so as to rotate in only a single direction.
References in periodicals archive ?
"We're not just saying, 'The sky is falling, the sky is falling,' inartificially ratcheting down services or implementing process controls, because none of that stuff works.
But make no mistake, each weapon handed in is a victory for common sense and decency, a ratcheting down of the tension in the arms race between the rival criminal gangs.
9 whether that response was aimed at ratcheting down the US rhetoric, Gates replied: "In the last few weeks there's been an effort in Washington actually to tone down everybody else.
Asked later whether his response was aimed at ratcheting down the American rhetoric, he replied: In the last few weeks there's been an effort in Washington actually to tone down everybody else.
Even commercial payers have been ratcheting down their reimbursement rates.
That's why experts keep ratcheting down what's "normal." For example:
We both, for example, rely heavily on data and projections developed by the United Nation's Population Division, which in recent years has been ratcheting down its estimates of future population By 2300, the United Nations projects that world population could be below the level of 1960, and that the United States will shrink back to the population it had in 1950--only with a far greater share of eiders.
The drug achieves both effects by ratcheting down production of dihydrotestosterone, a hormone linked to male pattern baldness and enlargement of the prostate.
"Builders are wisely ratcheting down the pace of new construction to a rate that's more sustainable under the current conditions of economic and geopolitical uncertainty," said Kent Conine, president of NAHB.
The report also stated that "As a result of the state's persistent ratcheting down of Medicaid rates throughout the 1990s, most Medicaid-certified nursing facilities now receive daily Medicaid rates that average fifteen to twenty dollars per day below allowable cost." At the time of the report, 70% of residents had their care paid for by Medicaid.
Mr Armitage said the Indian leadership might return some diplomats to Islamabad and had discussed 'some ratcheting down of some sort of military tension.'