Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for revolution from the 1913 edition of Webster's Revised Unabridged Dictionary. Define revolution using one of the most comprehensive free online dictionaries on the web.

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Part of Speech: noun
Results: 7
4. A total or radical change; as, a revolution in one's circumstances or way of living.
7. The motion of a point, line, or surface about a point or line as its center or axis, in such a manner that a moving point generates a curve, a moving line a surface ( called a surface of revolution), and a moving surface a solid ( called a solid of revolution); as, the revolution of a right- angled triangle about one of its sides generates a cone; the revolution of a semicircle about the diameter generates a sphere.
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