Quadrate :: Quadrate (a.) A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square..
Quadrate :: Quadrate (a.) An aspect of the heavenly bodies in which they are distant from each other 90�, or the quarter of a circle; quartile. See the Note under Aspect, 6..
Quadratic :: Quadratic (a.) Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square..
Quadratics :: Quadratics (n.) That branch of algebra which treats of quadratic equations.
Quadratrix :: Quadratrix (n.) A curve made use of in the quadrature of other curves; as the quadratrix, of Dinostratus, or of Tschirnhausen..
Quadrature :: Quadrature (a.) 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 :: Quadrature (a.) 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..