# Definitions for **abscissa**æbˈsɪs ə; -ˈsɪs i

### This page provides all possible meanings and translations of the word **abscissa**

### Random House Webster's College Dictionary

ab•scis•saæbˈsɪs ə; -ˈsɪs i(n.)(pl.)-scis•sas, -scis•sae

(in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis.

**Category:**Math**Ref:**Compare ordinate.

#### Origin of **abscissa**:

1690–1700; < L, fem. of abscissus, ptp. of abscindere to cut off =ab-ab-+scindere to divide, tear

### Princeton's WordNet

abscissa(noun)

the value of a coordinate on the horizontal axis

### Wiktionary

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, also known as the "y" coordinate, shown on the vertical line.

The point uE000783uE001 has 3 as its abscissa and 2 as its ordinate.

**Origin:** First attested in the 1690's. From abscissa, feminine of abscissus, perfect passive participle of abscindo. Related to abscind.

### Webster Dictionary

Abscissa(noun)

one of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal coordinate axes

### Freebase

Abscissa

In mathematics, abscissa refers to the horizontal coordinate of a point in a two-dimensional rectangular Cartesian coordinate system. The term also refers to the horizontal axis of any two-dimensional graph. An ordered pair consists of two terms—the abscissa and the ordinate —which define the location of a point in two-dimensional rectangular Cartesian coordinate system.

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"abscissa." *Definitions.net.* STANDS4 LLC, 2014. Web. 29 Jul 2014. <http://www.definitions.net/definition/abscissa>.