oscillation.

Repeated movement or change around a position or between values.

Use it for

Words that belong together

• pendulum oscillation
• sustained oscillation

On the page

The oscillation grew stronger as the support loosened.

Usage notes

Primary category: sensory / description. Forms: Countable or uncountable by context; countable singular oscillation; plural oscillations. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: description. Commonness: moderately common.