rotation

English

Etymology

From Latin rotationem, accusative of rotatio.

Noun

rotation (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”, American Scientist, volume 101, number 2, 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.

   crop rotation

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

4. (mathematics) An isometry that fixes precisely 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.

Translations

turning around a centre

• Armenian: պտույտ (hy) (ptuyt)
• Chinese:

  Mandarin: 迴轉 (cmn), 回转 (cmn) (huízhuǎn), 旋轉 (cmn), 旋转 (cmn) (xuánzhuǎn), 自轉 (cmn), 自转 (cmn) (zìzhuàn)

• Dutch: rotatie (nl) f
• Finnish: pyöriminen (fi)
• French: rotation (fr) f
• German: Rotation (de) f
• Greek: περιστροφή (el) (peristrofí) f

• Japanese: 回転 (ja) (かいてん, kaiten), 自転 (ja) (じてん, jiten)
• Korean: 순환 (ko) (sunhwan) (循環 (ko))
• Malayalam: തിരിയല്‍ (thiriyal), ഭ്രമണം (bhramaNam)
• Russian: вращение (ru) (vraščénije) n
• Spanish: rotación (es) f
• Swedish: rotation (sv) c
• Telugu: భ్రమణం (bhramaNaM)
• Turkish: devir (tr), deveran (tr), dönüş (tr), (engineering) rotasyon (tr)

a single cycle of turning

• Armenian: պտույտ (hy) (ptuyt)
• Dutch: draaiing (nl) f
• Finnish: pyörähdys (fi)
• French: tour (fr) m
• German: Umdrehung (de) f

• Greek: στροφή (el) (strofí) f
• Korean: 회전 (ko) (hoejeon) (回轉 (ko))
• Russian: оборот (ru) (oborót) m
• Swedish: varv (sv) n
• Turkish: devir (tr), dönüş (tr)

regular variation in a sequence

• Finnish: kierto (fi)

• Greek: στροφή (el) (strofí) f

isometry

• Armenian: պտույտ (hy) (ptuyt)
• Finnish: kierto (fi)

• Greek: περιστροφή (el) (peristrofí) f
• Swedish: rotation (sv) c

External links

• Rotation on Wikipedia.Wikipedia:Rotation (disambiguation)

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French

Etymology

Latin rotationem, accusative of rotatio.

Noun

rotation f (plural rotations)

1. rotation

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Swedish

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
Common	indefinite	definite	indefinite	definite
nominative	rotation	rotationen	rotationer	rotationerna
genitive	rotations	rotationens	rotationers	rotationernas