oscillation
noun
os·cil·la·tion
ˌä-sə-ˈlā-shən 
1
: the action or state of oscillating
stays can be effectively used to prevent oscillations in new bridges—
D. B. Steinman
D. B. Steinman2
: variation, fluctuation
famines due to excessive storminess and violent oscillations of rain and drought, heat and cold—Ellsworth Huntington
Ellsworth Huntington3
: a flow of electricity changing periodically from a maximum to a minimum
especially
: a flow periodically changing direction
4
: a single swing (as of an oscillating body) from one extreme limit to the other
Each oscillation of the pendulum represents one second.
Examples of oscillation in a Sentence
the continued oscillation of the fan
There has been oscillation between optimism and pessimism among voters.
Recent Examples on the Web
The fan makes cooling down your home a breeze, with 90-degree wide-angle oscillation that provides cool air to both large and small rooms.
—Monica Bell, Peoplemag, 7 May 2024
The Saros, then, is just a nice round interval during which all these cycles repeat a whole number of times: 223 passes through the new moon is almost exactly equal to 242 laps in and out of the ecliptic, which is in turn almost exactly equal to 239 oscillations in the moon’s apparent size.
—Joshua Sokol, Quanta Magazine, 5 Apr. 2024
See all Example Sentences for oscillation 
Monica Bell, Peoplemag, 7 May 2024
The Saros, then, is just a nice round interval during which all these cycles repeat a whole number of times: 223 passes through the new moon is almost exactly equal to 242 laps in and out of the ecliptic, which is in turn almost exactly equal to 239 oscillations in the moon’s apparent size.
—Joshua Sokol, Quanta Magazine, 5 Apr. 2024
See all Example Sentences for oscillation
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'oscillation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near oscillation
Cite this Entry
“Oscillation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oscillation. Accessed 29 May. 2024.
Copy CitationKids Definition
oscillation
noun
os·cil·la·tion
ˌäs-ə-ˈlā-shən
1
: the action or state of oscillating : vibration
3
: a single swing (as of an oscillating body) from one extreme limit to the other
Medical Definition
oscillation
noun
os·cil·la·tion
ˌäs-ə-ˈlā-shən
1
: the action or state of oscillating
2
: a flow of electricity changing periodically from a maximum to a minimum
especially
: a flow periodically changing direction
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