self-powered
|self/pow/ered|
B2
🇺🇸
/sɛlf ˈpaʊərd/
🇬🇧
/sɛlf ˈpaʊəd/
independent energy source
Etymology
Etymology Information
'self-powered' originates from the combination of 'self,' meaning 'by oneself,' and 'powered,' meaning 'supplied with energy.'
Historical Evolution
'self-powered' evolved from the concept of self-sufficiency in energy usage, becoming a modern term for devices that do not require external power sources.
Meaning Changes
Initially, it referred to any mechanism that could operate independently, and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Adjective 1
capable of operating independently without an external power source.
The self-powered flashlight uses kinetic energy to generate light.
Synonyms
Antonyms
Last updated: 2025/02/10 03:07