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Definition of Abscissa
1. Noun. The value of a coordinate on the horizontal axis.
Definition of Abscissa
1. n. One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal coördinate axes.
Definition of Abscissa
1. Noun. (context: geometry) The first of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes. The abscissa is also known as the "x" coordinate of a point, shown on the horizontal line, with the ordinate, also known as the "y" coordinate, shown on the vertical line. ¹
¹ Source: wiktionary.com
Definition of Abscissa
1. a particular geometric coordinate [n -SAS or -SAE]
Medical Definition of Abscissa
1.
Lexicographical Neighbors of Abscissa
Literary usage of Abscissa
Below you will find example usage of this term as found in modern and/or classical literature:
1. An Elementary Treatise on the Calculus: With Illustrations from Geometry by George Alexander Gibson (1901)
"abscissa of a Point. Let 0 be a fixed point on a line X'OX and P, ... The positive
number x is called the abscissa of P with respect to the origin 0; ..."
2. New School Algebra by George Albert Wentworth (1898)
"Thus, the abscissa of Pj is OB¡, the ordinate of Pt is OA\ ... The abscissa and
the ordinate of a point are called the coordinates of the point. ..."
3. Plane and Spherical Trigonometry by Leonard Magruder Passano (1918)
"The lines of the figure are named as follows : OM is called the abscissa of ...
The abscissa OM and the ordinate MP are together called the coordinates of ..."
4. Mechanics' and Engineers' Pocket-book of Tables, Rules, and Formulas by Charles Haynes Haswell (1920)
"When the other Ordinate and abscissae, or other abscissa and Ordinales are given.
Rn.E.— As either abscissa is lo square of its ordinal*;, ..."
5. Trigonometry and Double Algebra by Augustus De Morgan (1849)
"The projections of OP are also called coordinates of the point P : and the
coordinates are distinguished by the names abscissa and ordinate. ..."
6. Engineers' and Mechanics' Pocket-book by Charles Haynes Haswell (1844)
"To or from the semi-conjugate, according as the greater or less abscissa is ...
Then, as this sum or difference is to the abscissa, so is the conjugate to ..."