Definition:Right Circular Cylinder/Axis
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Definition
In the words of Euclid:
- The axis of the cylinder is the straight line which remains fixed and about which the parallelogram is turned.
(The Elements: Book $\text{XI}$: Definition $22$)
In the above diagram, the axis of the cylinder $ACBEFD$ is the straight line $GH$.
Also see
- Results about right circular cylinders can be found here.
Linguistic Note
The plural of axis is axes, which is pronounced ax-eez not ax-iz.
Compare basis.
Sources
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): axis (of a cylinder)