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Swivel
A swivel is a connection that allows the connected object, such as a gun or chair, to rotate horizontally or vertically. A common design for a swivel is a cylindrical rod that can turn freely within a support structure. The rod is usually prevented from slipping out by a nut, washer or thickening of the rod. The device can be attached to the ends of the rod or the center. Another common design is a sphere that is able to rotate within a support structure. The device is attached to the sphere. A third design is a hollow cylindrical rod that has a rod that is slightly smaller than its inside diameter inside of it. They are prevented from coming apart by flanges. The device may be attached to either end.
A swivel joint for a pipe is often a threaded connection in between which at least one of the pipes is curved, often at an angle of 45 or 90 degrees. The connection is tightened enough to be water- or air-tight and then tightened further so that it is in the correct position.
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Pivot (noun)
A thing on which something turns; specifically a metal pointed pin or short shaft in machinery, such as the end of an axle or spindle.
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Pivot (noun)
Something or someone having a paramount significance in a certain situation.
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Pivot (noun)
Act of turning on one foot.
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Pivot (noun)
The officer or soldier who simply turns in his place while the company or line moves around him in wheeling.
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Pivot (noun)
A player with responsibility for co-ordinating their team in a particular jam.
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Pivot (noun)
An element of a set to be sorted that is chosen as a midpoint, so as to divide the other elements into two groups to be dealt with recursively.
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Pivot (noun)
A pivot table.
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Pivot (noun)
Any of a row of captioned elements used to navigate to subpages, rather like tabs.
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Pivot (noun)
An element of a matrix that is used as a focus for row operations, such as dividing the row by the pivot, or adding multiples of the row to other rows making all other values in the pivot column 0.
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Pivot (verb)
To turn on an exact spot.
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Swivel (noun)
A piece, as a ring or hook, attached to another piece by a pin, in such a manner as to permit rotation about the pin as an axis.
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Swivel (noun)
A small piece of ordnance, turning on a point or swivel; called also swivel gun.
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Swivel (noun)
Strength of mind or character that enables one to overcome adversity; confidence; force of will.
“Bob ain’t got no swivel.”
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Swivel (noun)
A rotating of the hips.
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Swivel (verb)
To swing or turn, as on a pin or pivot.
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Pivot (noun)
the central point, pin, or shaft on which a mechanism turns or oscillates.
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Pivot (noun)
a person or thing that plays a central part in a situation or enterprise
“the pivot of community life was the chapel”
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Pivot (noun)
the person or position from which a body of troops takes its reference point when moving or changing course.
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Pivot (noun)
a player in a central position in a team sport.
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Pivot (noun)
a movement in which the player holding the ball may move in any direction with one foot, while keeping the other (the pivot foot) in contact with the floor.
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Pivot (verb)
turn on or as if on a pivot
“he swung round, pivoting on his heel”
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Pivot (verb)
provide (a mechanism) with a pivot; fix (a mechanism) on a pivot.
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Pivot (verb)
depend on
“the government’s reaction pivoted on the response of the Prime Minister”
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Swivel (noun)
a coupling between two parts enabling one to revolve without turning the other.
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Swivel (verb)
turn around a point or axis or on a swivel
“he swivelled in the chair”
“she swivelled her eyes round”