MEANING
A mechanism that converts a control input and available energy into physical movement.
Use it for
Words that belong together
- linear actuator
- hydraulic actuator
On the page
The door’s actuator strained against the bent track.
A small actuator tilted the camera toward the sound.
Related words
Word forms
- Base
- actuator
Explore related collections
Usage notes
Primary category: sci-fi. Forms: Singular actuator; plural actuators. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
Practice this word in a sentenceYour margin notes
Keep a thought for later. Sign in to save privately.