abscissa

For rectilineal axes of coordinates, the distance of a point from the axis of ordinates measured in a direction parallel to the axis of abscissae, which is usually horizontal. The sign convention is that measurements to the right from the axis of ordinates are positive, measurements to the left negative.

Dictionary of automotive terms. 2015.

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  • Abscissa — Ab*scis sa, n.; E. pl. {Abscissas}, L. pl. {Absciss[ae]}. [L., fem. of abscissus, p. p. of absindere to cut of. See {Abscind}.] (Geom.) One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal …   The Collaborative International Dictionary of English

  • abscissa — (n.) 1690s, from L. abscissa (linea) (a line) cut off, from fem. pp. of abscindere to cut off, from ab off, away (see AB (Cf. ab )) + scindere to cut (see SHED (Cf. shed) (v.)) …   Etymology dictionary

  • abscissa — [ab sis′ə, əbsis′ə] n. pl. abscissas or abscissae [ab sis′ē, əb sis′ē] [L abscissa (linea), (a line) cut off, fem. of abscissus, pp. of abscindere, to cut off < ab , from, off + scindere, to cut < IE * skei : for base see SAW2] Math. the… …   English World dictionary

  • abscissa — s. f. O mesmo que abcissa …   Dicionário da Língua Portuguesa

  • abscissa — noun 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,… …   Wiktionary

  • abscissa — In a plane cartesian coordinate system, the horizontal axis (x). Cf.:ordinate. [L. ab scindo, pp. scissus, to cut away from] * * * ab·scis·sa (ab sisґə) [L. (linea) abscissa cut off line, from abscindere to cut off] the horizontal coordinate …   Medical dictionary

  • abscissa — [ab sɪsə] noun (plural abscissae si: or abscissas) Mathematics the distance from a point on a graph to the vertical or y axis; the x coordinate. Compare with ordinate. Origin C17: from mod. L. abscissa (linea) cut off (line) , feminine past… …   English new terms dictionary

  • abscissa — /æbˈsɪsə/ (say ab sisuh) noun (plural abscissas or abscissae /æbˈsɪsi/ (say ab sisee)) (in plane Cartesian coordinates) the x coordinate of a point, i.e., its horizontal distance from the y axis measured parallel to the x axis. {Latin (linea)… …   Australian English dictionary

  • abscissa — n. (pl. abscissae or abscissas) Math. 1 (in a system of coordinates) the shortest distance from a point to the vertical or y axis, measured parallel to the horizontal or x axis; the Cartesian x coordinate of a point (cf. ORDINATE). 2 the part of… …   Useful english dictionary

  • abscissa — noun (plural abscissas; also abscissae) Etymology: New Latin, from Latin, feminine of abscissus, past participle of abscindere to cut off, from ab + scindere to cut more at shed Date: 1694 the horizontal coordinate of a point in a plane …   New Collegiate Dictionary

  • abscissa — /ab sis euh/, n., pl. abscissas, abscissae / sis ee/. Math. (in plane Cartesian coordinates) the x coordinate of a point: its distance from the y axis measured parallel to the x axis. Cf. ordinate. [1690 1700; fem. of L abscissus (ptp. of… …   Universalium

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