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Quadratic
a.
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Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square.
Quadratics
n.
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That branch of algebra which treats of quadratic equations.
Quadratojugal
a.
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Of or pertaining to the quadrate and jugal bones.
Quadratojugal
a.
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Of or pertaining to the quadratojugal bone.
Quadratojugal
n.
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The quadratojugal bone.
-trixes
pl.
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of Quadratrix
-trices
pl.
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of Quadratrix
Quadratrix
n.
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A curve made use of in the quadrature of other curves; as the quadratrix, of Dinostratus, or of Tschirnhausen.
Quadrature
a.
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The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas.
Quadrature
a.
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A quadrate; a square.
Quadrature
a.
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The integral used in obtaining the area bounded by a curve; hence, the definite integral of the product of any function of one variable into the differential of that variable.
Quadrature
a.
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The position of one heavenly body in respect to another when distant from it 90¡, or a quarter of a circle, as the moon when at an equal distance from the points of conjunction and opposition.
Quadrel
n.
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A square piece of turf or peat.
Quadrel
n.
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A square brick, tile, or the like.
Quadrennial
a.
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Comprising four years; as, a quadrennial period.
Quadrennial
a.
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Occurring once in four years, or at the end of every four years; as, quadrennial games.
Quadrennially
adv.
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Once in four years.
Quadrennium
n.
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A space or period of four years.
Quadri-
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A combining form meaning four, four times, fourfold; as, quadricapsular, having four capsules.
Quadribasic
a.
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Same as Tetrabasic.
Quadrible
a.
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Quadrable.
Quadric
a.
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Of or pertaining to the second degree.
Quadric
n.
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A quantic of the second degree. See Quantic.
Quadric
n.
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A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with circular bases, are quadrics.
Quadricapsular
a.
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Having four capsules.
Quadriceps
n.
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The great extensor muscle of the knee, divided above into four parts which unite in a single tendon at the knee.
Quadricipital
n.
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Of or pertaining to the quadriceps.
Quadricorn
n.
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Any quadricornous animal.
Quadricornous
a.
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Having four horns, or hornlike organs; as, a quadricornous beetle.
Quadricostate
a.
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Having four ribs.