Generator
/dʒˈɛnəˌreɪtər/
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Definition
(noun) One who, or that which, generates, begets, causes, or produces.
Sentence Examples
Every hospital has a back-up electric generator in case of blackout.
All hospitals are equipped with a spare generator in case of a power outage.
CEFR Practice Quiz
We had to use a portable ____ to provide power for the lights and sound system during the outdoor festival.