Jump spark. A spark produced by the jumping of electricity across a permanent gap.
[Webster 1913 Suppl.]
Jump"-start`(?), v. t. 1. To start (the engine of a motor vehicle) using a temporary connection to supply electrical power from another vehicle or another source of current; -- an emergency procedure used when a vehicle's own battery has insufficient power to start the vehicle normally. Cables used to transmit electrical current from one vehicle to another for the purpose of jump-starting are called jumper cables.
2. To provide a speedy start to (an activity) using the assistance of some external impetus; to re-energize (an activity proceeding sluggishly); -- accomplished by application of a stimulus not normally used in the activity.
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Wed 12th December 2018