noun🔗Share(collective) Items that have been or are about to be ejected from a boat or balloon."The rescue helicopter's jettison of supplies, including blankets and food, provided temporary relief to the stranded hikers. "nauticalitemvehicleChat with AIVocabulary GamePractice Reading
noun🔗ShareThe action of jettisoning items."The jettison of the extra books was necessary to lighten the overloaded school bus. "actionnauticalmilitaryChat with AIVocabulary GamePractice Reading
verb🔗ShareTo eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load."The ballooners had to jettison all of their sand bags to make it over the final hill."nauticalvehiclespacesailingmilitarytechnologyactionChat with AIVocabulary GamePractice Reading
verb🔗ShareTo let go or get rid of as being useless or defective."The student jettisoned her old, worn-out textbook because it was no longer helpful for her studies. "actiontechnicalnauticalmilitaryChat with AIVocabulary GamePractice Reading
