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单词 jettison
释义

jettisonn.

Brit. /ˈdʒɛtᵻs(ə)n/, /ˈdʒɛtᵻz(ə)n/, U.S. /ˈdʒɛdəs(ə)n/, /ˈdʒɛdəz(ə)n/
Forms: late Middle English jetteson, late Middle English (in a late copy) jetysoun, 1500s jetison, 1600s jettezon, 1700s jettezoon, 1700s– jettison.
Origin: A borrowing from French. Etymon: French jettison.
Etymology: < Anglo-Norman and Law French getteson, gettison, geteson, jettison action or an act of throwing goods overboard, esp. in order to lighten a ship in distress (beginning of the 14th cent.) < classical Latin iactātiōn- , iactātiō (see jactation n.); compare -ison suffix.In spoken use, the unstressed medial vowel was lost in the 16th cent., whence later jetsam n. (compare forms at that entry, and also similar forms with elision of medial unstressed vowel at benison n., β. forms at venison n.). As jetsam n. had developed a concrete sense (jetsam n. 1a), writers on marine insurance restored the earlier form as jettison to distinguish the noun of action from the sense ‘objects thrown overboard and floating in the water’.
1.
a. In maritime law: the action or an act of throwing goods overboard, esp. in order to lighten a ship in distress.
ΘΚΠ
the mind > possession > relinquishing > casting or laying aside > [noun] > throwing goods overboard
jettison1426
jetsam1641
jettisoning1863
society > travel > travel by water > other nautical operations > [noun] > damage limitation operations
jettison1426
laving1457
jetsam1641
bailing1682
fothering1769
baling1856
1426 Rolls of Parl.: Henry VI (Electronic ed.) Parl. Feb. 1426 §28. m. 6 Wool..taken uppon þe see be enemys, or lost be jetteson, or be any oþer mysaventure.
1491 T. Banyard tr. Olde Bk. Lawes & Customes Yermouth in H. Swinden Hist. & Antiq. Great Yarmouth (1772) 146 One ys of wrek of the see. The seconde, whiche ys called laggan. The iiide whiche ys called jetysoun.
1536 in T. Twiss Black Bk. Admiralty (1873) II. 469 It is necessary to make jetison to lighten the said shype.
1622 G. de Malynes Consuetudo i. xxv. 150 The verie words contained in all or most policies of Assurances, namely, Of the Seas,..Pirats, Rouers, Theeues, Iettezons, Letters of Mart, and Couenants, [etc.].
1755 N. Magens Ess. Insurances I. 55 Whatever the Master of a Ship in Distress..deliberately resolves to do..in throwing Goods overboard to lighten his Vessel, which is what is meant by Jettison or Jetson.
1755 N. Magens Ess. Insurances II. 182 Ammunition, and Stores, Wages or Hire, and Cloaths of Seamen, shall not contribute towards the Jettison.
1843 W. Waterston Cycl. Commerce at Average An accurate statement of the circumstances under which a jettison, or other loss on which average is claimed, should be entered in the log.
1880 Times 30 Dec. 12/1 The Mars..was got off by a tug, after jettison of a portion of the cargo.
1993 B. Farthing Internat. Shipping (ed. 2) v. 48 When action or other sacrifices or expenditure has to be taken to save the ship and cargo (e.g., jettison of the cargo in whole or part) the expenses must be shared by those who have an interest.
b. = jetsam n. 1a. Obsolete.
ΘΚΠ
the mind > possession > possessions > [noun] > personal or movable property > flotsam or jetsam
shipwreck?a1100
wreke1420
wrecka1425
wrack1428
jetsam1491
waveson1526
wrake1544
sea-wracks1548
water1552
wracksa1586
flotsam1607
wrack-goods1671
floatage1672
wreck-goods1693
jettison1708
wreck-wood1821
wreckages1864
1708 Rastell's Termes de la Ley (new ed.) 394/2 Jettezoons, This is mentioned in Policies of Insurance, and signifies Goods thrown into the Sea in a great Storm.
1848 J. J. S. Wharton Law Lexicon Jetsam, Jettison, or Jetson, goods or other things which having been cast overboard in a storm, or, after shipwreck, are thrown upon the shore.
2. In extended use. The action of casting aside or abandoning something; an instance of this. Cf. to throw (also cast, fling, etc.) overboard at overboard adv. 2a.In quot. 1846 in the context of an extended metaphor.
ΚΠ
1846 J. C. Campbell Lives Lord Chancellors 2nd Ser. V. cxlviii. 350 The vessel of the state is best prepared to encounter a storm by making a jettison of abuses.
1887 Sat. Rev. 6 Aug. 174/1 The jettison of convictions, of honour, of patriotism.
1900 Q. Rev. Apr. 321 Mere modernity..involved the complete jettison of every restraining principle in language, metre, and morals.
1916 T. M. Kettle Poems & Parodies 48 What paltry, unresisted jettison Of dear hopes held.
1974 J. Caulfield Tiny Perfect Mayor viii. 129 A jettison of the politically ambiguous elements of the reform movement.
2005 J. L. Coker Liquor in Land of Lost Cause (2007) iii. 95 Conservative evangelicals..viewed their activities as a jettison of the traditional southern doctrine of the spirituality of the church.
This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022).

jettisonv.

Brit. /ˈdʒɛtᵻs(ə)n/, /ˈdʒɛtᵻz(ə)n/, U.S. /ˈdʒɛdəs(ə)n/, /ˈdʒɛdəz(ə)n/
Origin: Formed within English, by conversion. Etymon: jettison n.
Etymology: < jettison n.
1. transitive. To throw overboard (cargo, articles of merchandise, etc.), esp. in order to lighten a ship in distress. Also intransitive.
ΘΚΠ
the mind > possession > relinquishing > casting or laying aside > [verb (transitive)] > throw goods overboard
jettison1848
society > travel > travel by water > other nautical operations > [verb (transitive)] > jettison
jettison1848
1848 J. Arnould Law Marine Insurance II. iii. iv. 890 The goods in such case are as much sacrificed for the general safety as though they were jettisoned.
1868 Law Times 10 Oct. 423/1 The master may jettison, after having determined upon it with the advice of the mate, of his pilot, and of his boatswain.
1880 Times 13 July 10 The vessel experienced such severe weather that she was compelled..to jettison about 1000 cases petroleum.
1940 ‘N. Shute’ Landfall v. 137 On last voyage was forced to jettison 600 tons of rubber at Weymouth, British contraband control port, following navicert trouble.
1982 T. C. Gilmer & B. Johnson Introd. to Naval Archit. x. 191/1 The decision to jettison, of course, should be made by the commanding officer.
1991 Highways & Transportation Aug. (Appointments & Events Suppl.) 54 He had to jettison his cargo to speed to safety.
2. transitive. To abandon or discard (someone or something that is no longer wanted or sustainable).
ΘΚΠ
the mind > possession > relinquishing > casting or laying aside > [verb (transitive)]
to let awaya1000
forcast?c1225
to lay downc1275
forthrow1340
flita1375
removea1382
to cast away1382
understrewc1384
castc1390
to lay awaya1400
to lay asidec1440
slingc1440
warpiss1444
to lay from, offc1480
way-put1496
depose1526
to lay apart1526
to put off1526
to set apart1530
to turn up1541
abandonate?1561
devest1566
dispatch1569
decarta1572
discard1578
to make away1580
to fling away1587
to cast off1597
doff1599
cashier1603
to set by1603
moult1604
excuss1607
retorta1616
divest1639
deposit1646
disentail1667
dismiss1675
slough1845
shed1856
jettison1869
shake1872
offload1900
junk1911
dump1919
sluff1934
bin1940
to put down1944
shitcan1973
1869 Littell's Living Age 12 June 642/2 I've jettisoned those youthful dreams And they are washed upon the shore.
1874 A. Robertson Nuggets 177 When my patience was nearly all jettisoned I heard the sharp ting of a bell.
1895 Westm. Gaz. 27 Mar. 3/1 Count Tolstoy..jettisons a chapter here, a verse there, an Epistle there.
1937 V. McNabb God's Way of Mercy xx. 178 When we have confessed our sins in the Sacrament of Mercy, some of the overlading of our soul has been jettisoned.
1945 N. Coward Diary 21 May (2000) 31 It is idiotic to try and jettison Churchill at this moment.
1982 S. K. Penman Sunne in Splendour (1984) ii. xii. 459 He jettisoned the thought, half formed.
2007 Wall St. Jrnl. 2 Oct. b17/3 Time Warner..pressured the network..to jettison the teen-dream stuff for shows that might interest somebody north of 30.
3.
a. transitive. To release or drop (something) from an aircraft or spacecraft in flight, esp. in order to lighten the load; spec. to drop (a bomb) intentionally from an aircraft somewhere other than over an assigned target.
ΘΚΠ
society > travel > air or space travel > action of flying (in) aircraft > specific flying operations or procedures > [verb (transitive)] > drop from aircraft in flight
jettison1934
1934 [implied in: Shell Aviation News No. 34. 18/1 As a result, the machine can be used for a variety of purposes... It is fitted with a ‘jettisonable’ fuel tank riveted with duralumin. (at jettisonable adj.)].
1942 D. M. Crook Spitfire Pilot 66 Enemy bombers showed a much greater tendency to jettison their bombs.
1942 R.A.F. Jrnl. 18 Apr. 14 ‘C for Charlie's’ pilot jettisoned his guns rather too near the wife of a senior officer who happened to be below.
1942 R.A.F. Jrnl. 18 Apr. 34 The crew went to their ditching stations... No fuel was jettisoned.
1946 J. W. R. Taylor & M. F. Allward Spitfire 101/1 The hood..could be jettisoned.
1955 Times 10 Aug. 8/7 The world's fastest aircraft..was jettisoned by its mother aircraft after an explosion at 30,000 ft.
1974 Flight Internat. 29 Aug. (Suppl.) 11/1 Surface-to-air missiles often use a booster to produce a high initial acceleration and push the missile clear of its launcher, the booster then being jettisoned.
2003 UFO Mag. Sept. 52/3 Astronauts jettison the booster rockets about 28 miles into their ascent.
b. intransitive. Of a fuel tank or booster rocket: to drop off or fall away from a rocket or spacecraft in flight.
ΘΚΠ
society > travel > air or space travel > space flight > [verb (intransitive)] > drop away from spacecraft
jettison1948
1948 Pop. Mech. Sept. 108/2 The rocket conceived..uses fuel drawn from four tanks that jettison successively from the nose.
1962 J. Glenn in J. Glenn et al. Into Orbit 138 The escape tower, which we would not need once we got above the atmosphere, would jettison when the boosters dropped off and lighten the load even more.
2007 S. Otfinoski Rockets vi. 68 The boosters would jettison from the orbiter a little more than two minutes into the flight.

Derivatives

ˈjettisoned adj.
ΘΚΠ
the mind > possession > relinquishing > casting or laying aside > [adjective] > thrown overboard
jettisoned1861
society > travel > travel by water > other nautical operations > [adjective] > jettisoned
jettisoned1861
1861 Rep. Cases Superior Court N.Y. 4 217 Laws were written upon the subject of general average contribution for jettisoned cargo before the Roman Code.
1969 Changing Times Oct. 34/1 There was concern that if planes were stacked up in a holding pattern over a city, the jettisoned fuel might damage another plane.
2006 D. Powers Treasure Ship (2007) iv. 89 Wright refunded a total of $12000, although no mention is made of the jettisoned goods and shot horses.
ˈjettisoning n.
ΘΚΠ
the mind > possession > relinquishing > casting or laying aside > [noun] > throwing goods overboard
jettison1426
jetsam1641
jettisoning1863
society > travel > air or space travel > specific movements or positions of aircraft > [noun] > dropping something from aircraft in flight
jettisoning1863
1863 Rep. Supreme Court Missouri 33 273 The question whether the vessel or cargo was in danger, or whether the jettisoning was successful.
1957 J. S. Huxley Relig. without Revelation ix. 209 This wholesale jettisoning.
2007 Man. Chem. Pollution (Internat. Maritime Org.) ii. iii. 12 The position of the jettisoning should be noted and the appropriate authorities..informed.
This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022).
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