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y-axis
[ wahy-ak-sis ]
noun
, Mathematics.
, plural y-ax·es [wahy, -ak-seez].
- Also called axis of ordinates. (in a plane Cartesian coordinate system) the axis, usually vertical, along which the ordinate is measured and from which the abscissa is measured.
- (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.
y-axis
noun
- a reference axis, usually vertical, of a graph or two- or three-dimensional Cartesian coordinate system along which the y- coordinate is measured
y-axis
/ wī′ăk′sĭs /
- The vertical axis of a two-dimensional Cartesian coordinate system.
- One of the three axes of a three-dimensional Cartesian coordinate system.
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Word History and Origins
Origin of y-axis1
First recorded in 1925–30
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