# Definitions for rotationroʊˈteɪ ʃənro·ta·tion

### Princeton's WordNet(3.00 / 4 votes)Rate this definition:

1. rotation, rotary motion(noun)

the act of rotating as if on an axis

"the rotation of the dancer kept time with the music"

2. rotation(noun)

(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin

3. rotation, revolution, gyration(noun)

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"

4. rotation(noun)

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"

### Wiktionary(3.50 / 2 votes)Rate this definition:

1. rotation(Noun)

The act of turning around a centre or an axis.

The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.

2. rotation(Noun)

A single complete cycle around a centre or an axis.

Earth's moon completes a rotation every twenty-seven days or so.

3. rotation(Noun)

A regular variation in a sequence.

4. rotation(Noun)

An isometry that fixes precisely one point.

The function mapping (x,y) to (uE000160810uE001y,x) is a rotation.

5. rotation(Noun)

The set of of a team.

### Webster Dictionary(3.00 / 2 votes)Rate this definition:

1. Rotation(noun)

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

Etymology: [L. rotatio: cf. F. rotation.]

2. Rotation(noun)

any return or succesion in a series

Etymology: [L. rotatio: cf. F. rotation.]

pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity

Etymology: [L. rotatio: cf. F. rotation.]

### Freebase(4.00 / 1 vote)Rate this definition:

1. Rotation

A rotation is a circular movement of an object around a center of rotation. A three-dimensional object rotates always around an imaginary line called a rotation axis. If the axis is within the body, and passes through its center of mass the body is said to rotate upon itself, or spin. A rotation about an external point, e.g. the Earth about the Sun, is called a revolution or orbital revolution, typically when it is produced by gravity.

### U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition:

1. Rotation

Motion of an object in which either one or more points on a 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)

### Dictionary of Nautical Terms(0.00 / 0 votes)Rate this definition:

1. rotation

The motion of a body about its axis.

1. Alex
US English
Daniel
British
Karen
Australian
Veena
Indian

### Numerology

1. Chaldean Numerology

The numerical value of rotation in Chaldean Numerology is: 4

2. Pythagorean Numerology

The numerical value of rotation in Pythagorean Numerology is: 4

### Examples of rotation in a Sentence

1. The original Darrieus turbine has blades that are parallel to the axis of rotation, and that means that the loads in the blades are carried entirely by bending of the blades. That results in very high stresses, the re-design that we've done changes the blades so that they form this triangulated structure, and that's a very stiff and very strong structural form. And that means that the loads in the blades are principally carried by axial forces and that means that the stresses are much lower.

2. I would expect a lateral, flat market from now through the summer with some rotation, cyclicals have been the best year to date so I would expect some recovery from the staples.

3. We have three primary runways here all in excess of 10,000 feet long. We can get a runway cleaned in 18 to 22 minutes, once that runway is done we move on to the next and keep that rotation going until the snowfall ceases.

4. FMCG companies have always been perceived as having well-regarded graduate programmes, people are initiated through different parts of the business - they get to market shampoo, market washing powder, they experience a real rotation which is a great foundation.

5. Human sperm figured out if they roll as they swim, much like playful otters corkscrewing through water, their one-sided stroke would average itself out, and they would swim forwards, the rotation of the sperm is something that is very important. It's something that allows the sperm to regain a symmetry and actually be able to go straight.

### Popularity rank by frequency of use

rotation#1#7985#10000

## Translations for rotation

### From our Multilingual Translation Dictionary

• دوران
• rotation
• Umdrehung, Rotation
• περιστροφή, στροφή
• rotacio
• rotación
• kierto, pyörähdys, pyöriminen
• tour, rotation
• պտույտ
• 回転, 自転
• ಸುತ್ತುವುದು
• 回轉, 循環, 순환, 회전
• തിരിയല്‍, ഭ്രമണം
• draaiing, rotatie
• поворот, оборот, вращение
• rotation, varv
• భ్రమణం
• deveran, dönüş, devir, rotasyon

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