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Ratchet is a slang term in American hip hop culture that, in its original sense, [1] was a derogatory term used to refer to an uncouth woman, and may be a Louisianan dialect form of the word "wretched".
A ratchet consists of a round gear or a linear rack with teeth, and a pivoting, spring-loaded finger called a pawl (or click, in clocks and watches [1] [2]) that engages the teeth.
In continuum mechanics, ratcheting, or ratchetting, also known as cyclic creep, is a behavior in which plastic deformation accumulates due to cyclic mechanical or thermal stress.
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Ratched is a suspenseful drama series that tells the origin story of asylum nurse Mildred Ratched. In 1947, Mildred arrives in Northern California to seek employment at a leading psychiatric hospital where new and unsettling experiments have begun on the human mind.
A ratchet or rattle, more specifically, cog rattle [1] is a musical instrument of the percussion family and a warning/signaling device. It operates on the principle of the ratchet device, using a gearwheel and a stiff board mounted on a handle, which rotates freely.
A mechanical ratchet moving in its "forward" direction and unable to move backward.. The ratchet effect is a concept in sociology and economics illustrating the difficulty with reversing a course of action once a specific thing has occurred, analogous with the mechanical ratchet that allows movement in one direction and seizes or tightens in the opposite.
As most people's hands are larger than their wrists, the first method was much easier before the invention of modern ratchet cuffs, which can be adjusted to a variety of sizes. Modern handcuffs are generally ratcheted until they are too tight to be slipped off the hands. However, slipping out of ratchet cuffs is still possible.