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y-ax·is
 y-axis
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- pronunciation:
- waI
aek
sihs
| part of speech: |
noun |
| inflections: |
y-axes |
| definition 1: |
in a two-dimensional coordinate system, the vertical axis along which the y ordinates are measured.
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| definition 2: |
in three dimensions, the axis along which the y ordinates are measured and at which the x and z ordinates are zero.
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