rotation
The act of turning around a centre or an axisThe act of turning around a centre or an axis.
» Mercury has an unusual rotation period.
Meaning
8 senses(uncountable)The act of turning around a centre or an axis.
The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.
Rotation, Umdrehung
враще́ниеvraščénije, оборо́тoborót, вито́кvitók
оберта́нняobertánnja, верті́нняvertínnja, оборо́тoborót
the act of rotating as if on an axis
(countable, uncountable)A single complete cycle around a centre or an axis.
Earth's moon completes a rotation every twenty-seven days or so.
a single complete turn (axial or orbital)
(countable, uncountable)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.
чередова́ниеčeredovánije
чергува́нняčerhuvánnja
(countable, uncountable)Тhe movement of investments between different sectors of an economy, or styles of investing, based on anticipated changes in the economic or market cycle.
(countable, uncountable)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.
поворо́тpovorót
(countable, uncountable)The set of starting pitchers of a team.
(countable, uncountable)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)
(countable, uncountable)Repeated play of songs on a radio station, advertisements on a television channel, etc.
The new single enjoyed heavy rotation on MTV.
Examples
15 sentencesMercury has an unusual rotation period.
Mercury has a very slow rotation.
ruМеркурий вращается очень медленно.
Life may look like a constant rotation.
Job rotation is essential to running a business.
Five pitchers are to take the mound in rotation.
Translations
9 languagesBy meaning 3
By meaning 4
By meaning 2
Origin
Borrowed from Latin rotātiō. By surface analysis, rotate + -ion.Borrowed from Latin rotātiō. By surface analysis, rotate + -ion.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: rotationsSynonyms
11 synonyms- the act of rotating as if on an axis:rotary motion
- a single complete turn (axial or orbital):revolutiongyration
Word family
50 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable