Englishfor English speakers
periodically
Adverb
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Something that happens periodically happens quite often at regular times.
The garbage is collected periodically by the city.
operated
adjective
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(in combination) operated by the means specified e.g. a battery-operated toy
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operated by the means specified
jack
Noun
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A jack is a machine for lifting heavy thing. Often a jack is used to lift a car for fixing.
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A jack is a plug or connector for electronics.
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A jack is a flag used at by ships at sea.
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Another word for nothing.
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A jack is a playing card with a J on it.
jack
Verb
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To use a jack.
He jacked the car up so that he could replace the brake pads.
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To steal.
Someone jacked my car last night!
Jack
Proper noun
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Jack is a male given name.