# y-axis

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## y-ax·is

(wī′ăk′sĭs)*n.*

*pl.*

**y-ax·es**(wī′ăk′sēz)

**1.**The vertical axis of a two-dimensional Cartesian coordinate system.

**2.**One of three axes in a three-dimensional Cartesian coordinate system.

## *y-*axis

*n*

(Mathematics) a reference axis, usually vertical, of a graph or two- or three-dimensional Cartesian coordinate system along which the

*y-*coordinate is measured## y-ax•is

(ˈwaɪˌæk sɪs)*n.,*

*pl.*

**y-ax•es**(ˈwaɪˌæk siz)

**1.**(in a plane Cartesian coordinate system) the axis, usu. vertical, along which the ordinate is measured and from which the abscissa is measured.

**2.**(in a three-dimensional Cartesian coordinate system) the axis along which values of

*y*are measured and at which both

*x*and

*z*equal zero.

[1925–30]

## y-ax·is

(wī′ăk′sĭs)**1.**The vertical axis of a two-dimensional Cartesian coordinate system.

**2.**One of the three axes of a three-dimensional Cartesian coordinate system.

ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | y-axis - the vertical axis in a plane coordinate systemcoordinate axis - one of the fixed reference lines of a coordinate system |

Translations

## y-axis

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