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单词 uncouple
释义

uncouplev.

Brit. /(ˌ)ʌnˈkʌpl/, /(ˌ)ʌŋˈkʌpl/, U.S. /ˌənˈkəp(ə)l/
Etymology: un- prefix2 1b(b). Compare Middle Dutch ontcoppelen, -copplen, Dutch ontkoppelen.
1.
a. transitive. To release (dogs) from being fastened together in couples; to set free for the chase.
ΘΚΠ
the world > food and drink > hunting > hunting with hounds > hunt with hounds [verb (transitive)] > release hounds
uncouplec1330
to let slip1530
to cast off1602
decouple1602
unslip1611
slipa1616
unleash1671
to throw off1686
c1330 (?c1300) Guy of Warwick (Auch.) l. 2512 A gret bore þai founden, y-wis, & hij vncopled her houndis.
1390 J. Gower Confessio Amantis I. 119 The houndes weren in a throwe Uncoupled and the hornes blowe.
a1425 Edward, Duke of York Master of Game (Digby) xiii Þe firste bolde houndes hunteth alle manere of beestes þat his maister will vncouple hym to.
a1450 Knt. de la Tour (1868) 43 The houndes were uncoupeled on hem, and chaced and bote hem spitously bi the eeres and thies.
1555 H. Braham Inst. Gentleman sig. Hvjv Likewise huntyng in his kinde, as to fleshe a dogge, to vncupple houndes, to followe them [etc.].
1575 G. Gascoigne Noble Arte Venerie xxxviii. 102 They shall place their houndes in some faire place..forbidding the varlet that he vncouple them not without their knowledge.
1600 R. Surflet tr. C. Estienne & J. Liébault Maison Rustique vii. xxv. 847 He must not vncouple any of his dogs: but onely marke the way that the Hart runneth.
1821 W. Scott Kenilworth I. xii. 295 Ere we had uncoupled the hounds, he..turns bridle..and leaves us to hunt at leisure by ourselves.
1842 C. G. F. Gore Fascination xi Order the hounds to be uncoupled, and I will beat the underwood with three or four of the surest.
b. absol. (Also in figurative use.)
ΚΠ
c1386 G. Chaucer Monk's Tale 512 He maked hym so konnyng and so sowple That longe tyme it was er tirannye Or any vice dorste on hym vncowple.
a1425 Edward, Duke of York Master of Game (Digby) xxxv Þe herte houndes..þat before haue be ladde by somme forster or parker þedur as þei shull vncouple.
1596 Raigne of Edward III sig. B2v What are the stealing Foxes fled and gone Before we could vncupple at their heeles. View more context for this quotation
1600 W. Shakespeare Midsummer Night's Dream iv. i. 106 My loue shall heare the musicke of my hounds. Vncouple, in the westerne vallie. View more context for this quotation
2. To unfasten, disconnect, detach.
ΘΚΠ
the world > relative properties > wholeness > mutual relation of parts to whole > separation > separate [verb (transitive)] > disjoin, disunite, or disconnect
unlime?c1225
unjoin1340
discouplec1440
disannex1459
disjoin1483
uncouplea1533
unjoint1565
sejoin1568
sejungate1578
unknit1580
disjoint1582
unlinkc1585
uncombine1595
disunite1598
sejunge1598
discombine1603
injoint1603
dislink1610
unthreada1616
unyokea1616
sejugate1623
disconnect1758
dijunge1768
unconnect1796
disally1864
a1533 Ld. Berners tr. A. de Guevara Golden Bk. M. Aurelius (1546) sig. Nn.jv How far is our vnderstandyng vncoupled for thy thoughtes.
1548 N. Udall et al. tr. Erasmus Paraphr. Newe Test. I. John xiv. 87 b That shall so couple you and vs together, that neyther lyfe nor death can vncouple vs.
1581 R. Mulcaster Positions xxxv. 123 Being so neare companions in linke, and not to be vncoupled in learning.
1685 J. Dryden tr. Lucretius Against Fear of Death in Sylvæ 61 When our mortal frame shall be disjoyn'd, The lifeless Lump, uncoupled from the mind, From sense of grief and pain we shall be free.
1786 T. Jefferson Writings (1859) II. 23 Congress have desired those States to uncouple the grants, so that each may come into force separately.
1858 O. W. Holmes Autocrat of Breakfast-table viii Will nobody block those wheels, uncouple that pinion, cut the string that holds those weights?
1884 Harper's Mag. July 273/1 The locomotive is uncoupled from the cars.
3.
a. Biochemistry. To separate the processes of (phosphorylation) from those of oxidation.
ΘΚΠ
the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > biochemical processes [verb] > to uncouple
uncouple1948
1948 Jrnl. Biol. Chem. 173 808 These results indicate that DNP [sc. dinitrophenol] reversibly uncouples phosphorylation from oxidation.
1977 D. E. Metzler Biochemistry vii. 366/1 Arsenate is said to uncouple phosphorylation from oxidation.
b. Physics. To cause to cease to interact; to decouple (sense 2).
ΘΚΠ
the world > matter > physics > quantum theory > electron spin > multiplet > end interaction [verb (transitive)]
uncouple1980
1980 Chem. in Brit. 16 456/2 This excited state may return to groundstate or undergo a chemical reaction or may uncouple two electron spins (intersystem crossing) to yield a triplet state.

Derivatives

unˈcoupled adj.1
ΘΚΠ
the world > food and drink > hunting > hunting with hounds > [adjective] > let loose
slippeda1657
uncoupled1700
the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > [adjective] > uncoupled
uncoupled1954
1700 J. Dryden Chaucer's Palamon & Arcite ii, in Fables 33 Th' appointed Place In which th' uncoupl'd Hounds began the Chace.
1728 E. Chambers Cycl. at Decouple In Heraldry, the same as Uncoupled, i. e. parted, or sever'd.
1803 in W. Scott Minstrelsy Sc. Border (ed. 2) III. 388 Steeds snort; uncoupled stag-hounds bay.
1954 Proc. National Acad. Sci. U.S.A. 40 919 Mitochondria suspensions taken from thyroxine-treated animals remain uncoupled.
1981 Plant Physiol. LXVIII. 1485/1 The light saturated rate of photosystem I-dependent electron transport..was increased by a high concentration of DCMU added to broken and uncoupled chloroplasts.
unˈcoupler n. spec. in Biochemistry, any agent that causes the uncoupling of oxidative phosphorylation.
ΘΚΠ
the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > [noun] > uncoupling > uncoupling agent
uncoupler1956
uncoupling agent1956
1705 Stevens ii An Uncoupler, desuñidor.
1956 Science 22 June 1107/1 The factor specifically inhibits phosphorylation without affecting the oxidation of β-hydroxybutyrate and thus simulates the action of 2,4-dinitrophenol and other known uncouplers.
1976 Sci. Amer. June 44/3 Then we tried uncouplers: agents that allow electron transport to proceed but that in effect disconnect it from phosphorylation and thus from the ATP synthesis it usually accomplishes.
1979 Nature 8 Feb. 486/1 We have found that the rapid efflux of Ca2+ brought about by collapse of the membrane potential by uncouplers or antimycin A..is not affected by tetracaine.

Draft additions 1993

4. intransitive. Of a couple: to separate at the end of a relationship; to ‘split up’. Occasionally reflexive. colloquial.
ΘΚΠ
society > society and the community > kinship or relationship > marriage or wedlock > divorce or dissolution > divorce or separate [verb (intransitive)]
divort1581
dismiss1608
unmarry1635
divorce1643
separate1686
to part beds1710
to break a marriage1844
bust1880
to break up1912
split1942
split1942
uncouple1942
society > society and the community > kinship or relationship > marriage or wedlock > divorce or dissolution > dissolve marriage [verb (reflexive)]
unmarry1530
uncouple1978
1942 L. V. Berrey & M. Van den Bark Amer. Thes. Slang §360 Divorce,..uncouple.
1977 Washington Post 19 June k1/4 The pace is very fast, punctuated with the required moments of taut emotions when friends and lovers conspire and deceive, couple and uncouple.
1978 Chatelaine Dec. 42/1 Although a third of all marital partners uncouple themselves, 80% will head back into marriage.
1989 Boston Globe 9 Mar. 15/5 Husband and wife would decide in advance which would control the fate of their biological merger if they uncouple.
This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).
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