verb Download 🔗Share To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load. Examples : "The ballooners had to jettison all of their sand bags to make it over the final hill." nautical vehicle space sailing military action technology environment Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To let go or get rid of as being useless or defective. Examples : "The pilot jettisoned the fuel tanks to lighten the plane for an emergency landing. " action nautical military technology industry Chat with AIVocabulary GamePractice Reading