rotation

noun

ro·​ta·​tion rō-ˈtā-shən How to pronounce rotation (audio)
1
a(1)
: the action or process of rotating on or as if on an axis or center
(2)
: the act or an instance of rotating something
b
: one complete turn : the angular displacement required to return a rotating body or figure to its original orientation
2
a
: return or succession in a series
rotation of the seasons
3
: the turning of a body part about its long axis as if on a pivot
4
: a game of pool in which all 15 object balls are shot in numerical order
5
: the series of pitchers on a baseball team who regularly start successive games in turn
rotational
rō-ˈtā-shnəl How to pronounce rotation (audio)
-shə-nᵊl
adjective

Examples of rotation in a Sentence

the rotation of the Earth around its axis the rotation of the Moon around the Earth The Earth makes one rotation every day. Alfalfa and corn are planted in rotation. the rotation of the job of club president The car needs a tire rotation.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Plus, score trendy barrel pants and linen trousers to add to your workwear rotation. Emily Weaver, People.com, 3 May 2025 For our other go-to lawn care tools and gadgets that made it into our frequent rotation, keep reading. Alicia Geigel, Southern Living, 3 May 2025 However, it’s quickly climbed to the top of my scent rotation, on its own and layered under other favorite fragrances. Ariel Wodarcyk, Glamour, 2 May 2025 And there was a 12-point scorer last year who this year fell out of the rotation. Ira Winderman, Sun Sentinel, 2 May 2025 See All Example Sentences for rotation

Word History

First Known Use

circa 1550, in the meaning defined at sense 1a(1)

Time Traveler
The first known use of rotation was circa 1550

Cite this Entry

“Rotation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotation. Accessed 8 May. 2025.

Kids Definition

rotation

noun
ro·​ta·​tion rō-ˈtā-shən How to pronounce rotation (audio)
1
a
: the act of rotating especially on an axis
b
: one complete turn
2
rotational
-shnəl How to pronounce rotation (audio)
-shən-ᵊl
adjective

Medical Definition

rotation

noun
ro·​ta·​tion rō-ˈtā-shən How to pronounce rotation (audio)
: the action or process of rotating on or as if on an axis or center
specifically : the turning of a body part about its long axis as if on a pivot
rotation of the head to look over the shoulder
rotational adjective

More from Merriam-Webster on rotation

Last Updated: - Updated example sentences
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