Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “self-powered”


used to describe machines, etc. that do not need an outside energy supply to work as they have their own source of energy: They produce an intruder alarm system which is completely self-powered.
(Definition of self-powered from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of self-powered?
Add Cambridge dictionaries to your browser to your website

Word of the Day


a small company that makes beer, usually using traditional methods, and often has a restaurant where its beer is served

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More