rotation

C1 Topic:Astronomy & Space

US /ɹoʊˈteɪʃən/ See IPA manual

Freq #11894

Meanings

1

noun
The act of turning around a central point or axis.

The rotation of the Earth causes day and night.
2

noun
A regular system of people or things taking turns in order.

The nurses work on a rotation of day and night shifts.

Thesaurus

Synonyms

1 noun · the act of turning around a... rotary motiongyrationrevolution

More cycling roster rota schedule turn turning

Word family

Forms rotations

Derived forms antirotationautorotationbirotationcircumrotationclinorotationcontrarotationcorotationcounterrotationcyclorotationderotationdextrorotationegorotation

Related forms axisrotaryrotaterotational

Appears in

Phrases (1)

See all

crop rotation
the practice of growing different crops on the same land in successive seasons

Noun + noun

Simplified etymology

Rotation comes from Latin rotare “to turn,” derived from rota “wheel.” The same Latin source underlies related words such as rotund and rotunda, as well as round through French.

Etymology

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

*Hreth₂- Proto-Indo-European rotatiō Latin

View etymology graph ->

Topics

Astronomy & Space Physics Actions & Processes Word Formation & Derivatives

External links

# rotation

**Type:** Word
**Level:** C1
**Part of speech:** noun
**IPA (US):** /ɹoʊˈteɪʃən/
**Frequency rank:** 11894

## Meanings
1. The act of turning around a central point or axis.
2. A regular system of people or things taking turns in order.

## Examples
- The rotation of the Earth causes day and night.
- The nurses work on a rotation of day and night shifts.

## Synonyms
- cycling
- revolution
- roster
- rota
- schedule
- turn
- turning

## Derived Forms
- antirotation
- autorotation
- birotation
- circumrotation
- clinorotation
- contrarotation
- corotation
- counterrotation
- cyclorotation
- derotation
- dextrorotation
- egorotation

## Related Forms
- axis
- rotary
- rotate
- rotational

## Roots and Affixes
- Root: *Hreth₂-
- Root: rotatiō

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

## AI Etymology
Rotation is borrowed from Latin rotatiō. By surface analysis, rotate + -ion. The historical chain includes *Hreth₂- (Proto-Indo-European) and rotatiō (Latin). The surrounding word family includes derived forms such as antirotation, autorotation, birotation, and circumrotation and related forms such as axis, rotary, and rotate. In present use it covers the act of turning around a central point or axis and a regular system of people or things taking turns in order.

## Topics
- Astronomy & Space
- Physics
- Actions & Processes
- Word Formation & Derivatives

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