Definition, Meaning & Synonyms

abscissae

Noun

/æbˈsɪs.eɪ/

Definition

The plural form of ‘abscissa’, referring to the horizontal coordinate in a two-dimensional Cartesian coordinate system.

Examples

The abscissae of the points on the graph indicate their horizontal positions.
In the coordinate pair (3, 5), 3 is the abscissa.
When graphing a line, the abscissae of the endpoints are critical for determining the slope.

Meaning

In a graph or Cartesian plane, the abscissa is the value that corresponds to the horizontal position of a point, typically represented as the ‘x’ value.