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Rotation

[ɹ_əʊ_t_ˈeɪ_ʃ_ə_n], [ɹə͡ʊtˈe͡ɪʃən], [ɹə‍ʊtˈe‍ɪʃən]

Definitions of rotation

1. a single complete turn ( axial or orbital); " the plane made three rotations before it crashed"; " the revolution of the earth about the sun takes one year"
2. ( mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
3. the act of rotating as if on an axis; " the rotation of the dancer kept time with the music"
4. a planned recurrent sequence ( of crops or personnel etc.); " crop rotation makes a balanced demand on the fertility of the soil"; " the manager had only four starting pitchers in his rotation"
5. 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.
6. Any return or succesion in a series.
7. Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity.
8. Motion of a rigid body in which either one point is fixed, or all the points on a straight line are fixed. It is also the motion of a particle about a fixed point. ( From McGraw- Hill Dictionary of Scientific and Technical Terms, 4th ed)
9. The act of turning round on an axis, like a wheel; regular succession; as, rotation in office; recurrence.
10. 1. Turning or movement of a body round its axis. 2. A recurrence in regular order of certain events, such as the symptoms of a periodical disease.
11. Moving on its axis.
12. A turning round like a wheel: series or appropriate succession, as of crops.
13. Act of rotating; regular succession.
14. The act of rotating; rotary inotion.
15. Change by alternation, as of crops.
16. Act of turning, as a wheel; regular succession.
17. The act of turning a wheel or other body on its axis; the state of being whirled round; in bot., the internal circulation of the fluids in the cells of plants.
18. Turning as on a pivot, as limbs ; circulation, as of cell sap.

Quotes of rotation

1. It does not seem, however, that organic chemists were much worried about barriers to rotation in organic molecules in general at that time because there was no technique available to demonstrate the phenomenon experimentally. – Derek Harold Richard Barton
2. 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
3. I shall now recall to mind that the motion of the heavenly bodies is circular, since the motion appropriate to a sphere is rotation in a circle. – Nicolaus Copernicus
4. One day I discovered that one could get the barrier to internal rotation in ethane approximately right using this method. This was the beginning of my work on organic molecules. – Roald Hoffmann
5. And that format was- we'd been using that format, I guess, since the late '70s, and it was starting to get very predictable. In other words, certain songs would surface in the same points in the set every so often; it was like rotation – Phil Lesh
6. I've learned over the years that it doesn't matter where you pitch in the rotation For me, preparation is everything. – Cory Lidle
7. I mean, I can actually say goodbye to the game of golf, never hit another golf shot the rest of my life and I'd be happy because I can get back in life without any rotation – Greg Norman
8. As the Pentagon makes plans for the largest troop rotation since World War II, I will work with the Armed Services Committee to help make this proposal a reality. – Mike Rogers
9. I spent some time at White Memorial Medical Center as a senior medical student doing a rotation in surgery; however, I felt I wasn't getting enough time assisting. – Samuel Wilson
10. The rotation of the polarization plane is extraordinarily small in all gases, thus also in sodium vapour. – Pieter Zeeman

Usage examples for rotation

1. The abandoning the principle of necessary rotation in the Senate, has, I see, been disapproved by many: in the case of the President, by none. – Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson by Thomas Jefferson
2. Hence arises the claim to be under no command whatsoever to any one, upon any account, any otherwise than by rotation and that just as far only as that person is, in his turn, under his also. – Politics A Treatise on Government by Aristotle
3. That is, we must first find out the forma or formal cause of spontaneous rotation – Logic, Inductive and Deductive by William Minto
4. One trouble with the proof is that the rotation has not been about the same point, so that it has never been looked upon as other than an interesting illustration. – The Teaching of Geometry by David Eugene Smith
5. If the Commune is not well- to- do and is small, it hires quarters from a peasant, or establishes a rotation and the teacher passes from hut to hut. – Fables for Children, Stories for Children, Natural Science Stories, Popular Education, Decembrists, Moral Tales by Leo Tolstoy
6. Turn on a magnet in the right hand; lift up the left hand and anchor it higher; turn on the right hand and lift it even with the left, then anchor it again; do the same with both legs; then begin the process all over again, turning the magnets off and on in rotation – The Penal Cluster by Ivar Jorgensen (AKA Randall Garrett)
7. He is like the farmer's fields, that only need a rotation of crops. – Camping & Tramping with Roosevelt by John Burroughs
8. He covenanted to cultivate the soil by a fixed rotation not to sow this nor that, nor to be guided by the change of the markets, or the character of the seasons, or the appearance of powerful foreign competitors. – Hodge and His Masters by Richard Jefferies
9. This apparent exception to the law of change of crop in natured forest growth was ingeniously explained by General Harrison's suggestion, that the lapse of time since the era of the mound- builders was so great as to have embraced several successive generations of trees, and occasioned, by their rotation a return to the original vegetation. – The Earth as Modified by Human Action by George P. Marsh
10. If the loops are properly placed, the final twisting should make one complete rotation of the string in a distance of one or two inches. – Hunting with the Bow and Arrow by Saxton Pope
11. The rotation is performed by the thumb and first finger of each hand, the other fingers serving to support the tube. – Laboratory Manual of Glass-Blowing by Francis C. Frary
12. Instead of making their administrative duties an interruption to their legislative labours, and urging the necessity for attending to both as a plea for the performance of neither, the commissioners took the sovereignty in rotation for five days at a time, and as ten rulers acting all at once would have kept nothing straight, this arrangement for obtaining the strength of unity was altogether a judicious one. – The Comic History of Rome by Gilbert Abbott Becket
13. While I was there there happened to be an election to the Legislative Council, the Upper House, the members of which retire in rotation – Six Letters From the Colonies by Robert Seaton
14. When so hot that it cannot longer be held in shape, the tube is removed from the flame, and the ends slowly and regularly drawn apart, continuing the rotation of the tube about its axis. – Laboratory Manual of Glass-Blowing by Francis C. Frary
15. No, he would aim McCann back, in the direction opposite to the direction or rotation of the asteroids. – The Risk Profession by Donald Edwin Westlake
16. She had fully rehearsed this little speech, which she intended to say at every house in due rotation – Not Like Other Girls by Rosa N. Carey
17. The transfer of two more men to the raft was quickly and noiselessly accomplished, and once again the catamaran was permitted to swing on the tide's rotation into the open entrance of the inlet. – As It Was in the Beginning by Philip Verrill Mighels
18. The matrons then used to be appointed priestesses in rotation – Roman Women Woman: In All Ages and in All Countries, Volume 2 (of 10) by Alfred Brittain
19. As a rule, I believe in the rotation of callers as implicitly as I do in the rotation of crops. – The Dominant Strain by Anna Chapin Ray
20. Plain opened out of plain in endless rotation rings of sun- scorched earth brushed up about the horizon in a low ridge like the raised rim on a plate. – The Emigrant Trail by Geraldine Bonner

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