Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of quadra is as below...

Dichotomy :: Dichotomy (n.) That phase of the moon in which it appears bisected, or shows only half its disk, as at the quadratures..

Quadrant :: Quadrant (n.) The quarter of a circle, or of the circumference of a circle, an arc of 90¡, or one subtending a right angle at the center..

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..

Quadrable :: Quadrable (a.) That may be sqyared, or reduced to an equivalent square; -- said of a surface when the area limited by a curve can be exactly found, and expressed in a finite number of algebraic terms..

Quadrilateral :: Quadrilateral (a.) Having four sides, and consequently four angles; quadrangular..

Equation :: Equation (n.) An expression of the condition of equality between two algebraic quantities or sets of quantities, the sign = being placed between them; as, a binomial equation; a quadratic equation; an algebraic equation; a transcendental equation; an exponential equation; a logarithmic equation; a differential equation, etc..

Quadrating :: Quadrating (p. pr. & vb. n.) of Quadrat.

Quadrangle :: Quadrangle (n.) A square or quadrangular space or inclosure, such a space or court surrounded by buildings, esp. such a court in a college or public school in England..

Quadrans :: Quadrans (n.) The fourth of a penny; a farthing. See Cur.

Quadragenarious :: Quadragenarious (a.) Consisting of forty; forty years old.

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..

Rhynchocephala :: Rhynchocephala (n. pl.) An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia..

Quadrature :: Quadrature (a.) 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..

Quadrangular :: Quadrangular (a.) Having four angles, and consequently four sides; tetragonal..

Quadratojugal :: Quadratojugal (a.) Of or pertaining to the quadrate and jugal bones.

Quadra :: Quadra (n.) The plinth, or lowest member, of any pedestal, podium, water table, or the like..

Gunter''s Scale :: Gunter's scale () A scale invented by the Rev. Edmund Gunter (1581-1626), a professor of astronomy at Gresham College, London, who invented also Gunter's chain, and Gunter's quadrant..

Square :: Square (n.) The position of planets distant ninety degrees from each other; a quadrate.

Quadrate :: Quadrate (a.) Square; even; balanced; equal; exact.

Biquadratic :: Biquadratic (a.) Of or pertaining to the biquadrate, or fourth power..

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