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Jettison

usgb/ˈdʒetɪsn/Volume
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Urgency or EmergencyPlay
Often implies a dire situation where dropping cargo or equipment is necessary. SlideIn a storm, the crew jettisoned the containers to stabilize the ship.
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Not LiteralPlay
Can be used metaphorically to suggest eliminating something non-physical. SlideUnder pressure, he jettisoned his doubts and made the leap.
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Weight ReductionPlay
Jettison typically aims to make a vehicle lighter for safety or performance. SlideTo climb faster, the balloonist jettisoned sandbags.