Surface of Revolution - Wikipedia - en.wikipedia.org ![rw-book-cover|200x400](https://readwise-assets.s3.amazonaws.com/static/images/article2.74d541386bbf.png) ## Metadata - Author: **en.wikipedia.org** - Full Title: Surface of Revolution - Wikipedia - Category: #articles - Tags: #geometry - URL: https://en.wikipedia.org/wiki/Surface_of_revolution ## Highlights - A surface of revolution is a surface in Euclidean space created by rotating a curve (the generatrix) around an axis of rotation.[1] Examples of surfaces of revolution generated by a straight line are cylindrical and conical surfaces depending on whether or not the line is parallel to the axis. A circle that is rotated around any diameter generates a sphere of which it is then a great circle, and if the circle is rotated around an axis that does not intersect the interior of a circle, then it generates a torus which does not intersect itself (a ring torus).