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English definition of “jump-start”

jump-start

verb [T]  /ˈdʒʌmpˌstɑrt/ us  
to start or improve something more quickly by giving it extra help: These recordings jump-started her career. If you jump-start a car, you start its engine by using wires to carry electric power from another car’s engine.
(Definition of jump-start from the Cambridge Academic Content Dictionary © Cambridge University Press)
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