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