Longman Dictionary of Contemporary English homepage

jump-start

 verb
     
Related topics: Motor Vehicles
jump-start [transitive]
1TTC also jump American English to start a car whose battery has lost power by connecting it to the battery of another car
2 to help a process or activity to start or become more successful:
Congress hopes the tax cut will jump-start the economy.
—jump start noun [countable]
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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