Meaning & use
axis
An imaginary or real straight line around which an object rotates or is arranged symmetrically.
See it in a sentence
The Earth spins on its axis once every twenty-four hours.
The graph plots time along the horizontal axis and speed along the vertical axis.
A note on using this word
The plural of axis is axes, not 'axises.' In math and science, an axis can be a physical line of rotation or a reference line on a graph.
Words with a similar meaning
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