rotation
nounUS /ɹoʊˈteɪʃən/
Etymology Borrowed from Latin rotātiō. By surface analysis, rotate + -ion.
8 senses
- 1The act of turning around a centre or an axis.
- 2A single complete cycle around a centre or an axis.
- 3A regular variation in a sequence, such as to even out…
- 4Тhe movement of investments between different sectors of…
- 5An operation on a metric space that is a continuous…
- 6The set of starting pitchers of a team.
- 7The step during takeoff when the pilot commands the…
- 8Repeated play of songs on a radio station, advertisements…
The act of turning around a centre or an axis.
- An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.2013 March 23, Frank Fish, George Lauder, “Not Just Going with the Flow”, in American Scientist, volume 101, number 2, archived from the original on 01 May 2013, page 114:
- The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.
A single complete cycle around a centre or an axis.
- Earth's moon completes a rotation every twenty-seven days or so.
A regular variation in a sequence, such as to even out wear, or people taking turns in a task; a duty roster.
- Applying crop rotation to a field avoids depleting soil nutrients the way repeated use of a single crop might do.
- In rotation, each member of the group would be responsible for the beacon fire.
1 more example
- The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.
Business, Finance Тhe movement of investments between different sectors of an economy, or styles of investing, based on anticipated changes in the economic or market cycle.
- Sector rotation attempts to capitalize on the tendency of certain sectors to outperform others during specific economic phases, while style rotation involves shifting investments between different investment styles, such as moving from growth stocks to value stocks.
Geometry, Mathematics, Sciences An operation on a metric space that is a continuous isometry and fixes at least one point.
- The function mapping (x,y) to (−y,x) is a rotation.
Ball games, Baseball, Games, Hobbies, Lifestyle, Sports The set of starting pitchers of a team.
Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll. (see also: V2)
Repeated play of songs on a radio station, advertisements on a television channel, etc.
- The new single enjoyed heavy rotation on MTV.
- Synonyms
- turning, revolution, rota, roster, duty roster, schedule, turn, turn and turn about, cycling
- Derived terms
56 terms
antirotation, autorotation, axis of rotation, birotation, Borggreve rotation, circumrotation, clinorotation, contrarotation, corotation, counterrotation, crop rotation, cyclorotation, derotation, dextrorotation, double rotation, egorotation, electrorotation, endorotation, Euler's rotation theorem, exorotation, Faraday rotation, gyrorotation, improper rotation, isorotation, job rotation, levorotation, lunar rotation, magnetorotation, malrotation, microrotation, misrotation, mutarotation, nonrotation, Norfolk crop rotation, Norfolk rotation, optical rotation, overrotation, prerotation, pseudorotation, race rotation, rotamer, rotation curve, rotation government, rotation period, rotationplasty, rotation-powered pulsar, rotation time, roton, sidereal rotation period, specific rotation, superrotation, superrotational, Terrell rotation, underrotation, Van Nes rotation, Wick rotation- Related terms
- rotary, rotate, rotational, axis
- Hypernyms
- isometry, transformation