rotation

rotation

See also: Rotation

English

Etymology

Borrowed from Latin rotatiō. By surface analysis, rotate +‎ -ion.

Pronunciation

• (General American) IPA^(key): /ɹoʊˈteɪʃən/

• Audio (Southern England)

  (file)

• Rhymes: -eɪʃən

Noun

rotation (countable and uncountable, plural rotations)

1. (chiefly uncountable) The act of turning around a centre or an axis.
   • 2013 March 1, Frank Fish, George Lauder, “Not Just Going with the Flow”, in American Scientist‎, volume 101, number 2, archived from the original on 1 May 2013, retrieved 10 May 2013, page 114:

     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.

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

2. A single complete cycle around a centre or an axis.

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

3. 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.

   The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.

4. (mathematics, geometry) 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.

5. (baseball) The set of starting pitchers of a team.
6. (aviation) 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)
7. Repeated play on a radio station, etc.

   The new single enjoyed heavy rotation on MTV.

Synonyms

• turning
• revolution
• rota, roster, duty roster, schedule, turn, turn and turn about, cycling

Hypernyms

• (mathematics): isometry, transformation

Derived terms

• crop rotation
• improper rotation

 

Related terms

• rotary
• rotate
• rotational

 

Translations

act of turning around a centre

Afrikaans: rotasie Amharic: ሽክርክር (šəkrəkr) Armenian: պտույտ (hy) (ptuyt) Bulgarian: въртене (bg) n (vǎrtene) Chinese: Mandarin: 迴轉／回转 (zh) (huízhuǎn), 旋轉／旋转 (zh) (xuánzhuǎn), 自轉／自转 (zh) (zìzhuàn) Dutch: rotatie (nl) f Finnish: pyöriminen French: rotation (fr) f Galician: rotación (gl) f German: Rotation (de) f Greek: περιστροφή (el) f (peristrofí) Indonesian: putaran (id), rotasi (id) Italian: rotazione (it) Japanese: 回転 (ja) (かいてん, kaiten), 自転 (ja) (じてん, jiten) Kazakh: айналу (ainalu) Korean: 순환(循環) (ko) (sunhwan) Malay: putaran (ms) Malayalam: തിരിയൽ (tiriyal), ഭ്രമണം (ml) (bhramaṇaṃ) Maori: tāwhirowhironga Old English: ymbhwyrft m, wendung f Persian: چرخش‎ (fa) (čarxeš) Polish: obracanie (pl) n Portuguese: rotação (pt) f Russian: враще́ние (ru) n (vraščénije) Spanish: rotación (es) f Swedish: rotation (sv) c Tagalog: inog Telugu: భ్రమణం (te) (bhramaṇaṁ) Thai: การหมุน (th) (gaan-mǔn) Turkish: devir (tr), deveran (tr), dönüş (tr), (engineering) rotasyon (tr)

single cycle of turning

Armenian: պտույտ (hy) (ptuyt) Bulgarian: оборот (bg) m (oborot) Dutch: draaiing (nl) f Finnish: pyörähdys (fi) French: tour (fr) m German: Umdrehung (de) f Greek: στροφή (el) f (strofí) Italian: rotazione (it) f, giro completo m, rivoluzione (it) f, ciclo completo m Korean: 회전(回轉) (ko) (hoejeon) Polish: obrót (pl) m Portuguese: rotação (pt) f Russian: оборо́т (ru) m (oborót) Swedish: varv (sv) n Tagalog: inog Turkish: devir (tr), dönüş (tr)

regular variation in a sequence

Bulgarian: редуване (bg) n (reduvane) Finnish: kierto (fi) Greek: στροφή (el) f (strofí) Italian: rotazione (it) f, rotazione delle colture f

isometry

Armenian: պտույտ (hy) (ptuyt) Dutch: rotatie (nl) f Finnish: kierto (fi) Greek: περιστροφή (el) f (peristrofí) Maori: hurihanga Russian: поворо́т (ru) m (povorót) Swedish: rotation (sv) c Vietnamese: phép quay

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

Turkish: (please verify) dönme (tr)

See also

• axis

Further reading

• Rotation on Wikipedia.Wikipedia

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French

Etymology

Borrowed from Latin rotationem, accusative of rotatio.

Pronunciation

• IPA^(key): /ʁɔ.ta.sjɔ̃/

• Audio

  (file)

Noun

rotation f (plural rotations)

1. rotation

Derived terms

• axe de rotation

Related terms

• rouer, rôder

Descendants

• → Romanian: rotație
• → Turkish: rotasyon

Further reading

• “rotation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

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Swedish

Etymology

Borrowed from Latin rotatio.

Noun

rotation c

1. act of turning a physical object or a coordinate system around a center or an axis

Declension

Declension of rotation
	Singular		Plural
	Indefinite	Definite	Indefinite	Definite
Nominative	rotation	rotationen	rotationer	rotationerna
Genitive	rotations	rotationens	rotationers	rotationernas