From Longman Dictionary of Contemporary Englishjettisonjet‧ti‧son /ˈdʒetəsən, -zən/ verb [transitive] 1 GET RID OFto get rid of something or decide not to do something any longer The scheme was jettisoned when the government found it too costly.2 THROW AWAYto throw things away, especially from a moving plane or ship→ See Verb table
Examples from the Corpus
jettison• Neighbours, the show that was her launch pad, might have to be jettisoned.• Since career development is mandated by state and federal categorical funds, the program is impossible to jettison.• By doing so they have jettisoned a solidarity that could have united them against the invader alien to them both.• The rockets fire for two minutes at launch before they are jettisoned from the shuttle to parachute into the sea.• One crew member accidentally jettisoned half of the plane's fuel.• He jettisoned his parachute but died after his reserve chute failed to open in time.• Berger jettisoned much of the original movie plot.• When the time came to jettison the launch escape tower and the boost cover the charges would fire, breaking the bolts.• Even the propeller and engine are jettisoned when the sperm meets the egg; only the nucleus travels farther.From Longman Business Dictionaryjettisonjet‧ti‧son /ˈdʒetəsən, -zən/ verb [transitive] to get rid of something quickly or completely because it is not good enoughSome Wall Street firms will jettison unprofitable businesses.→ See Verb tableOrigin jettison (1400-1500) Anglo-French getteson, from Old French getaison “act of throwing”, from getter; → JET2 