y-axis

noun
y-ax·​is | \ ˈwī-ˌak-səs How to pronounce y-axis (audio) \

Definition of y-axis

1 : the axis of a plane Cartesian coordinate system parallel to which ordinates are measured
2 : one of the three axes in a three-dimensional rectangular coordinate system

First Known Use of y-axis

1875, in the meaning defined at sense 1

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The first known use of y-axis was in 1875

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Cite this Entry

“Y-axis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/y-axis. Accessed 26 Sep. 2020.

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More Definitions for y-axis

y-axis

noun
y-ax·​is | \ ˈwī-ˌak-ˌsəs \

Kids Definition of y-axis

: a line of reference usually stretching vertically on a graph

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