Y-axis Definition

wīăksĭs
y-axes
noun
The vertical, or more nearly vertical, axis in a plane Cartesian coordinate system, along which the ordinate is measured.
Webster's New World
A similar axis that is perpendicular to the x-axis and the z-axis of a three-dimensional Cartesian coordinate system.
Webster's New World

(algebraic geometry) The axis on a graph that is usually drawn from bottom to top and usually shows the range of values of variable dependent on one other variable, or the second of two independent variables.

Wiktionary

Other Word Forms of Y-axis

Noun

Singular:
y-axis
Plural:
y-axes

Words Near Y-axis in the Dictionary