Definition of abscissa

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Abscissa (n.) One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal coordinate axes..

Lern More About Abscissa

Absciss :: Absciss (n.) See Abscissa.
Abscissas :: Abscissas (pl. ) of Absciss.
Coordinate :: Coordinate (n.) Lines, or other elements of reference, by means of which the position of any point, as of a curve, is defined with respect to certain fixed lines, or planes, called coordinate axes and coordinate planes. See Abscissa..
Abscissae :: Abscissae (pl. ) of Absciss.
Sinusoid :: Sinusoid (n.) The curve whose ordinates are proportional to the sines of the abscissas, the equation of the curve being y = a sin x. It is also called the curve of sines..
Abscissa :: Abscissa (n.) One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal coordinate axes..
Tangent :: Tangent (v. t.) A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function..
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..
Parameter :: Parameter (n.) Specifically (Conic Sections), in the ellipse and hyperbola, a third proportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate..
Ordinate :: Ordinate (n.) The distance of any point in a curve or a straight line, measured on a line called the axis of ordinates or on a line parallel to it, from another line called the axis of abscissas, on which the corresponding abscissa of the point is measured..
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