actuation.

The triggering or driving of a mechanism so it performs an action.

Use it for

Words that belong together

• valve actuation
• mechanical actuation

On the page

Valve actuation released pressure from the chamber.

Usage notes

Primary category: academic / formal. Forms: Usually uncountable; no ordinary plural in this sense. 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: analysis, explanation, evaluation. Commonness: uncommon.