jettison
American Heritage Dictionary:
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jet·ti·son
(jĕt'ĭ-sən, -zən) 
tr.v., -soned, -son·ing, -sons.
tr.v., -soned, -son·ing, -sons.
- To cast overboard or off: a ship jettisoning wastes; a pilot jettisoning aircraft fuel.
- Informal. To discard (something) as unwanted or burdensome: jettisoned the whole marketing plan.
- The act of discarding or casting overboard.
- Jetsam.
[From Middle English jetteson, a throwing overboard of goods to lighten ship, from Anglo-Norman getteson, from Vulgar Latin *iectātiō, iectātiōn-, from *iectātus, past participle of *iectāre, to throw. See jet2.]
Fowler's Modern English Usage:
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jettison
in current use is a verb meaning 'to discard' and refers to physical things as well as abstract (e.g. ideas). Its origins are as a noun in maritime law, meaning 'the action of throwing goods overboard, especially to lighten a ship in distress'. Its verb inflections are jettisoned, jettisoning.
| jejune, jargon, jail, jailer | |
| jeu d'esprit, jewel, jewellery |
Roget's Thesaurus:
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jettison
verb
- To let go or get rid of as being useless or defective, for example: discard, dispose of, dump, junk, scrap1, throw away, throw out. Informal chuck, shuck (off). Slang ditch. See keep/release.
noun
- The act of getting rid of something useless or used up: disposal, dumping, elimination, riddance. See keep/release.
Antonyms by Answers.com:
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jettison
v
Definition: eject; throw overboard
Antonyms: load, take in, take on
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n. the selective release of stores from an aircraft other than during a normal attack.
See the Introduction, Abbreviations and Pronunciation for further details.
Columbia Encyclopedia:
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jettison
jettison (jĕt'əsən, -zən) [O.Fr.,=throwing], in maritime law, casting all or part of a ship's cargo overboard to lighten the vessel or to meet some danger, such as fire. Such cargo, when found later, is known as jetsam (see flotsam, jetsam, and ligan). The master of the ship has the absolute right to jettison cargo when he reasonably believes it to be necessary, and the owners of the ship incur no liability. If the vessel carries goods of more than one shipper, the rule of general average provides for apportioning the loss among all the shippers because all have benefited by the master's action. On the other hand, if some cargo is lost by accident, the shippers who suffered no loss do not contribute to indemnification.
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(DOD) The selective release of stores from an aircraft other than normal attack.
Word Tutor:
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jettison
IN BRIEF: To get rid of, to lighten the load.
Before landing on an aircraft carrier, planes jettison any remaining fuel.
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McGraw-Hill Dictionary of Aviation:
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jettison
i. To cast or discard fuel or any external store from an aircraft in flight.
ii. The selective release of armament stores from an aircraft other than in a normal attack. This may be done to lighten the aircraft in an emergency or to get rid of a hung-up store.
ii. The selective release of armament stores from an aircraft other than in a normal attack. This may be done to lighten the aircraft in an emergency or to get rid of a hung-up store.
Random House Word Menu:
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categories related to 'jettison'
- Aviation and Aerodynamics - jettison: (vb) lighten load by dropping objects from aircraft in flight, esp. fuel in emergency
- Seamanship and Port - jettison: (vb) abandon or discard cargo overboard
See crossword solutions for the clue Translations:
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Jettison
Dansk (Danish)
v. tr. - kaste over bord, kaste ud
n. - udkastning, udkastning af gods
Nederlands (Dutch)
(uit nood) overboord gooien, droppen, wegdoen, het overboord gooien, het droppen, het wegdoen
Français (French)
v. tr. - (Naut) jeter par-dessus bord, jeter à la mer (pour alléger le navire), se délester de, (Aviat) larguer, (fig) abandonner, renoncer à
n. - largage, abandon
Deutsch (German)
n. - Seewurf, Abwurf
v. - über Bord werfen, wegwerfen, abwerfen
Ελληνική (Greek)
n. - (ναυτ.) διασωστική αβαρία
v. - (μτφ.) απορρίπτω, πετώ στη θάλασσα
Italiano (Italian)
scarico in volo, abbandono, buttar via
Português (Portuguese)
n. - ato (m) de alijar carga
v. - alijar, livrar-se de
Русский (Russian)
выбрасывание груза за борт, отделение ступени ракеты, выбрасывать груз за борт, отделываться от чего-л., отвергать
Español (Spanish)
v. tr. - echar (la carga) al mar, desechar, descartar, tirar (equipo, armas, etc. para aligerar una aeronave, tanque, etc.)
n. - echazón
Svenska (Swedish)
n. - gods som kastats över bord
v. - kasta över bord, göra sig av med, kasta bort, förkasta, överge
中文（简体）(Chinese (Simplified))
投弃, 投弃货物
中文（繁體）(Chinese (Traditional))
v. tr. - 投棄
n. - 投棄, 投棄貨物
한국어 (Korean)
v. tr. - 투하하다, 내던지다
n. - 투하
日本語 (Japanese)
n. - 投げ荷
v. - 投げ捨てる, 捨てる
العربيه (Arabic)
(الاسم) طرح حموله السفينه في البحر (فعل) القى حموله السفينه في البحر
עברית (Hebrew)
v. tr. - השליך לים, נטש, השליך ממטוס או מכדור פורח
n. - נטישה, השלכה לים
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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Roget's Thesaurus
Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 byHoughton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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Oxford Dictionary of the US Military
The Oxford Essential Dictionary of the U.S. Military. Copyright © 2001, 2002 by Oxford University Press, Inc. All rights reserved.
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Columbia Encyclopedia
The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2012, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/.
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US Defense Department Military Dictionary
US Department of Defense Dictionary of Military and Associated Words, 2003.
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McGraw-Hill Dictionary of Aviation
An Illustrated Dictionary of Aviation.. Copyright © 2005 by McGraw-Hill Companies, Inc. All rights reserved.
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