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, Frank Fish, George Lauder, “Not Just Going with the Flow”, in American Scientist‎^[1], volume 101, number 2, archived from the original on 1 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

• axis of rotation
• Borggreve rotation
• clinorotation
• crop rotation
• Euler's rotation theorem
• Faraday rotation
• improper rotation
• job rotation
• Norfolk crop rotation
• Norfolk rotation
• optical rotation
• race rotation
• rotation curve
• rotation period
• rotation time
• sidereal rotation period
• specific rotation
• Van Nes rotation
• Wick rotation

 

Related terms

• rotary
• rotate
• rotational

 

Translations

act of turning around a centre

• Afrikaans: rotasie
• Amharic: ሽክርክር (šəkrəkr)
• Arabic: دَوْرَة (ar) f (dawra)
• Armenian: պտույտ (hy) (ptuyt)
• Belarusian: вярчэ́нне n (vjarčénnje)
• Bulgarian: върте́не (bg) n (vǎrténe)
• Chinese:

  Mandarin: 迴轉／回转 (zh) (huízhuǎn), 旋轉／旋转 (zh), 自轉／自转 (zh) (zìzhuàn)

• Dutch: rotatie (nl) f
• Finnish: pyöriminen (fi)
• French: rotation (fr) f
• Galician: rotación (gl) f
• German: Rotation (de) f
• Greek: περιστροφή (el) f (peristrofí)
• Hindi: घूर्णन (hi) m (ghūrṇan)
• 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)
• Latin: rotatio f
• Malay: putaran (ms)
• Malayalam: തിരിയല് (tiriyal), ഭ്രമണം (ml) (bhramaṇaṁ)
• Maori: tāwhirowhironga
• Old English: ymbhwyrft m, wendung f
• Ottoman Turkish: چرخ (çarh)
• Persian: چَرْخِش (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)
• Ukrainian: оберта́ння n (obertánnja), верті́ння n (vertínnja)

single cycle of turning

• Armenian: պտույտ (hy) (ptuyt)
• Belarusian: абаро́т m (abarót)
• Bulgarian: оборо́т (bg) m (oborót)
• Chinese:

  Mandarin: 旋轉／旋转 (zh) (xuánzhuǎn)

• 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
• Japanese: 回転 (ja) (かいてん, kaiten)
• Korean: 회전(回轉) (ko) (hoejeon)
• Polish: obrót (pl) m
• Portuguese: rotação (pt) f
• Russian: оборо́т (ru) m (oborót), вито́к (ru) m (vitók)
• Swedish: varv (sv) n
• Tagalog: inog
• Turkish: devir (tr), dönüş (tr)
• Ukrainian: оборо́т m (oborót), о́берт m (óbert), вито́к m (vytók)

regular variation in a sequence

• Belarusian: чаргава́нне n (čarhavánnje)
• Bulgarian: реду́ване (bg) n (redúvane)
• Finnish: kierto (fi)
• Greek: στροφή (el) f (strofí)
• Italian: rotazione (it) f, rotazione delle colture f
• Russian: чередова́ние (ru) n (čeredovánije)
• Ukrainian: чергува́ння n (čerhuvánnja)

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

French

Etymology

Borrowed from Latin rotātiōnem.

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.

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