noun
axis
AK-sis/ˈæksɪs/
A reference line through or alongside a structure.
The top rotates around an axis through its center and pointed tip.
Etymology
Latin axis named an axle or pivot, as well as the axis of the earth or sky. The physical axle supplies the image for an imaginary fixed line around which something rotates.
In context
The axis is like an imaginary line that goes through the center of the planet from the North Pole to the South Pole.
More examples
- The vertical axis shows temperature on the graph.
- The building's long axis faces east and west.
- Both axes must use the same scale for this comparison.
Forms
axis · axes
Similar words
- centerline
- Usually marks the middle of a shape rather than a measurement reference.
- coordinate line
- Specifically provides a reference for locating points.