1. rotation - Noun
2. rotation - Adjective
The act of turning, as a wheel or a solid body on its axis, as distinguished from the progressive motion of a revolving round another body or a distant point; thus, the daily turning of the earth on its axis is a rotation; its annual motion round the sun is a revolution.
Any return or succesion in a series.
Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity.
Source: Webster's dictionaryIn the rotation of crops there was a recognized season for wild oats; but they were not sown more than once. Edith Wharton
For a traveler going from any place toward the north, that pole of the daily rotation gradually climbs higher, while the opposite pole drops down an equal amount. Nicolaus Copernicus
Faces come and faces go in circular rotation. But something yearns within to grow beyond infatuation. Don McLean
We notice the movement of automobiles and beings in the street, but we do not notice that the earth turns. We believe that automobiles go at a great speed on a fixed ground; yet the speed of the earth's rotation at the equator is 40,000 km every 24 hours. Alexander Calder
Rotation through a fourth dimension can't affect a three-dimensional figure any more than you can shake letters off a printed page. Robert A. Heinlein
We can hardly suppose a possibility of the production of a globular form without a consequent revolution of the nebulous matter, which in the end may settle in a regular rotation about some fixed axis. William Herschel