An example of an x-axis is the line across the bottom of a chart.

**MLA Style**

"x-axis." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/x-axis>.

**APA Style**

x-axis. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/x-axis

## x-axis

noun

*pl.*x′-ax·es·

- the horizontal, or more nearly horizontal, axis in a plane Cartesian coordinate system, along which the abscissa is measured
- a similar axis that is perpendicular to the y-axis and the z-axis of a three-dimensional Cartesian coordinate system

**MLA Style**

"x-axis." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/x-axis>.

**APA Style**

x-axis. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/x-axis

## x-axis

noun

*pl.*

**x-ax·es,**

- The horizontal axis of a two-dimensional Cartesian coordinate system.
- One of three axes in a three-dimensional Cartesian coordinate system.

**MLA Style**

"x-axis." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/x-axis>.

**APA Style**

x-axis. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/x-axis

(*plural* x-axes)

- (algebraic geometry) The axis on a graph that is usually drawn left to right and usually shows the range of values of an independent variable.

**MLA Style**

"x-axis." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/x-axis>.

**APA Style**

x-axis. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/x-axis

## x-axis - Computer Definition

The horizontal (H), or nearest horizontal, plane on a two- or three-dimensional grid, chart, or graph in a Cartesian coordinate system. See also Cartesian coordinates, y-axis, and z-axis.

Used by arrangement with John Wiley & Sons, Inc.

**MLA Style**

"x-axis." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/x-axis>.

**APA Style**

x-axis. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/x-axis

See x-y matrix.

**MLA Style**

"x-axis." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/x-axis>.

**APA Style**

x-axis. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/x-axis