单词 | barrier |
释义 | barriern. 1. gen. A fence or material obstruction of any kind erected (or serving) to bar the advance of persons or things, or to prevent access to a place. a. originally. A palisade or stockade erected to bar the way of an enemy, or defend a gate or passage; an external defence. ΘΚΠ society > armed hostility > defence > defensive work(s) > palisade or stockade > [noun] shide-wallc1000 barrierc1380 peel?a1400 bails1523 palisade1588 stockado1608 stockade1614 fraise1775 picket1779 estacade1827 zariba1849 boma1860 c1380 Sir Ferumbras (1879) l. 4668 Enfachoun ys to þe ȝeate y-come..& at þe barers he hym sette. c1400 (?c1380) Cleanness (1920) l. 1239 He brek þe bareres as bylyue, & þe burȝ after. c1425 Wyntoun Cron. ix. vii. 70 At þe Barreris he faucht sa welle. c1430 J. Lydgate Story of Thebes iii. (R.) Barbicans and bulwerkes..Barreres, chaines, and ditches. c1440 Promptorium Parvulorum 24 Barrere, or barreere [v.r. barryȝer], barraria, barrus. 1490 W. Caxton tr. Eneydos lv. 152 Camilla and Mesapus rode all armed..vnto the barryers. 1523 Ld. Berners tr. J. Froissart Cronycles I. xxxviii. 52 He cast hymselfe bytwene the barrers and the gate. 1721 London Gaz. No. 5928/6 The outer Barrier of that Place. b. transferred. A fortress or fortified town which commands the entrance into a country; a ‘bulwark’. ΘΚΠ society > armed hostility > defence > defensive work(s) > fort or fortified town > [noun] > fort on frontier barrier1600 frontier1604 milecastle1708 1600 P. Holland tr. Livy Rom. Hist. ix. xxxii. 337 b Which cittie [Sutrium]..was (as a man would say) the verie Barriers [L. claustra] of all Hetruria. 1709 [see sense 1c]. 1717 Lady M. W. Montagu Let. 12 Feb. (1965) I. 306 Belgrade..was formerly the Barrier of Hungary. ΘΚΠ the world > the earth > named regions of earth > Europe > Low Countries > [noun] > Netherlands or Holland > districts of barrier1709 the world > space > relative position > condition of being external > edge, border, or margin > boundary > [noun] > land-boundary > of a region or territory terma1382 frontier1413 rind1530 terminus?1605 barrier1709 bound-line1850 borderline1869 1709 J. Addison Tatler No. 20. ⁋10 The Dutch are to have for their Barriers, Newport, Berg, St. Vinox..Lille. 1713 London Gaz. No. 5180/2 The Frontier-Places of the Dutch-Barrier. 1775 J. Adair Hist. Amer. Indians 463 Without allowing them any militia, even on their barriers. 1835 Penny Cycl. III. 502 The Treaty of the Barrier is an instance of a similar species of political adjustment. d. A fence, or railing, to prevent access to any reserved place. ΘΚΠ the world > space > relative position > closed or shut condition > that which or one who closes or shuts > a barrier > [noun] bar1388 traverse1477 hedge1523 barrier1570 barricadoa1616 barricade1714 barbed wire1890 1570 B. Googe tr. T. Kirchmeyer Popish Kingdome iv. f. 51v With tapers, all the people come, and at the barriars stay, Where downe vpon their knees they fall, and night and day they pray. 1885 N.E.D. at Barrier Mod. Strong barriers were erected at each end of the street. e. Applied to the carcer or starting-place in the ancient race-course. ΘΚΠ society > leisure > sport > types of sport or game > racing or race > [noun] > starting or finishing mark > starting mark score1513 starting place1570 goal1589 barrier1600 lists1601 starting post1631 scratch1772 starting line1812 mark1887 start line1908 gate1928 mobile1969 1600 P. Holland tr. Livy Rom. Hist. viii. xx. 295 The Barriers [L. carceres], from whence the horses and their chariots are let forth. 1656 A. Cowley Pindaric Odes in Wks. (1710) I. 203 How swiftly [has he] run, And born the Noble Prize away, Whilst other Youths yet at the Barrier stay? 1880 C. T. Lewis & C. Short Lat. Dict. Carcer..the barrier or starting-place in the race-course. f. In continental towns: The gate at which custom duties are collected. ΘΚΠ society > trade and finance > fees and taxes > impost, due, or tax > duty on goods > imposition or collecting of duties on goods > [noun] > toll-barrier bar1540 turnpike1678 sidebar1760 toll-gate1773 barrier1804 toll-bar1813 pike1820 octroi1861 pay wicket1895 péage1973 1825 T. Jefferson Autobiogr. I. 86 The oppressions of the tithes..the gabelles, the farms and the barriers. 1825 M. M. Sherwood Lady of Manor (ed. 2) I. iv. 93 Versailles is distant about ten miles from the barriere of Paris.] g. Coal Mining. ‘A breadth of coal left against an adjoining royalty, for security against casualty arising from water or foul air’. ΘΚΠ society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > pillar or area of unworked material forbar?15.. pillar1591 whole1728 stalch1747 post1793 stenting1812 rib1818 stook1826 man-of-war1835 spurn1837 staple1839 barrier1849 shaft pillar1855 barrier-pillar1881 stoop1881 stump1881 1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 6 Barriers are left of various thicknesses..varying..from 10 to 50 yards. 2. a. spec. in plural. The palisades enclosing the ground where a tournament, tilting, or other martial contest or exhibition was held; the lists. Also, a low railing or fence running down the centre of the lists on opposite sides of which, and in opposite directions the combatants rode, reaching their lances across. ΘΚΠ society > leisure > sport > types of sport or game > fighting sports > jousting or tilting > [noun] > lists or barriers listc1386 champany?a1400 rangec1440 jousting-place1480 tilt?1507 tilt-yard1528 barracec1540 barrier1581 careera1586 steccado1600 tilting-yard1606 tilting ground1850 tilting field1859 1581 J. Bell tr. W. Haddon & J. Foxe Against Jerome Osorius 79 To challenge me unto the Barriers. 1581 J. Bell tr. W. Haddon & J. Foxe Against Jerome Osorius 82 One champion is taken from the Barriers. 1819 W. Scott Ivanhoe I. ix. 156 At length the barriers were opened, and five knights..advanced slowly into the area. ΘΚΠ society > leisure > sport > types of sport or game > fighting sports > jousting or tilting > [noun] bourdis1303 tourneyingc1386 joustinga1400 Barriers1532 champery1602 tilting1610 bohourt1801 lance-game1801 society > leisure > sport > types of sport or game > fighting sports > jousting or tilting > joust or tilt [verb (intransitive)] playeOE bourdisec1320 joustc1330 copec1350 tourney1390 coup?a1400 joustenc1400 to joust of warc1400 to run togetherc1410 bourda1500 to fight at barriers1532 runa1533 to run at (the) tilt1548 jostle1580 tilt1595 to break a treea1600 to run (or ride) a-tilt1608 to run tilt1831 1532 Act 24 Hen. VIII xiii Iustes, tourneis, barriers..or other marcial feates. 1559 Seconde Volume of Fabians Chronicle in Chronicle of Fabian (new ed.) sig. AAA.ii Chalengours..at tilt Barriers, and Turney. 1583 A. Golding tr. J. Calvin Serm. on Deuteronomie xii. 67 Like the Game of the Barriers wherein he that winneth today looseth tomorrow. 1608 T. Middleton Familie of Love (new ed.) iii. sig. E2 To see my Gallants play at Barriers with Scourge-sticks. 1616 J. Bullokar Eng. Expositor Barriers, a war~like exercise of men fighting together with short swords, and within some appointed compasse. a1625 J. Fletcher Noble Gentleman ii. i, in F. Beaumont & J. Fletcher Comedies & Trag. (1647) sig. Dd4v/1 You shall not see a maske, or Barriers, Or tilting or a solemn christning. 1625 F. Bacon Ess. (new ed.) xxxvii. 226 For Iusts, and Tourneys, and Barriers; The Glories of them, are chiefly in the Chariots, wherein the Challengers make their Entry. a1635 ‘T. Randall’ in Ann. Dubrensia (1636) sig. C4 What is the Barriers, but a Courtly way Of our more downe right sport, the Cvdgell-play? 1646 Bp. J. Hall Balme of Gilead 104 [He] puts him upon Tiltings, and Barriers, and publique Duels. 1839 T. Keightley Hist. Eng. (new ed.) I. 445 He frequently fought at barriers. 3. a. Any natural obstacle which stops or obstructs passage, defends from foes, prevents access, or produces separation; a separating boundary-line. ΘΚΠ society > armed hostility > defence > [noun] > defensive boundary or cordon > natural barriera1701 the world > space > relative position > closed or shut condition > that which or one who closes or shuts > a barrier > [noun] > natural barriera1701 a1701 H. Maundrell Journey Aleppo to Jerusalem (1703) 32 In order to pass this Barrier, we turn'd up on the left hand. 1725 W. Broome in A. Pope et al. tr. Homer Odyssey II. vi. 72 An ocean flows Around our realm, a barrier from the foes. 1747 in Colonial Rec. Pennsylvania (1851) V. 153 The Colonies of New Jersey and Pennsylvania will have but a very thin Barrier between them. c1854 A. P. Stanley Sinai & Palestine (1858) iii. 174 This plain was encompassed with a barrier of heights. 1855 W. H. Prescott Hist. Reign Philip II of Spain I. ii. vi. 207 No mountain barrier lay between France and Flanders. b. The mass of ice which fringes the Antarctic coast, occasionally spec. the Barrier. ΘΚΠ the world > the earth > water > ice > land ice > [noun] > along a shore barrier1847 strand ice1897 1847 J. C. Ross Voy. Antarctic Reg. I. viii. 222 Some of the numerous fragments of the barrier that were about us. 1905 R. F. Scott Voy. ‘Discovery’ I. v. 168 The barrier edge, in shadow, looked like a narrowing black ribbon. 1930 Discovery Mar. 91/1 Flat fields of snow-ice, strictly speaking neither land-ice nor sea-ice, which, under the name of ‘barriers’ fringe almost the whole circumference of the continent. c. Physics. The region of high potential energy through which a charged particle must pass on leaving or entering a nucleus; also attributive. ΘΚΠ the world > matter > physics > atomic nucleus > [noun] > region of higher potential barrier1929 potential barrier1929 potential wall1931 the world > matter > physics > solid state physics > semiconductivity > [noun] > carrier of charges > mobile carrier > potential step barrier1962 1929 Rutherford in Proc. Royal Soc. A. 123 378 The nucleus, supposed spherical in shape, is thus surrounded by a very high potential barrier. 1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) ix. 98 The nucleus is thus protected by a barrier at an exceedingly high potential. 1955 J. A. Wheeler in W. Pauli Niels Bohr & Devel. Physics 166 Odd nuclei have a higher barrier against fission than corresponding even nuclei. 1955 J. A. Wheeler in W. Pauli Niels Bohr & Devel. Physics 167 The barrier penetration exponent is roughly proportional to the barrier height. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors ii. 23 Because electrons flowing from n- to p-type material or holes flowing from p- to n-type material require excess energy to mount the potential step, the latter is sometimes called the ‘barrier’. 4. a. Anything immaterial that stops advance hostile or friendly, that defends from attack, prevents intercourse or union, or keeps separate and apart. ΘΚΠ the world > action or operation > difficulty > hindrance > [noun] > one who or that which hinders > a hindrance, impediment, or obstacle hinderc1200 withsetting1340 obstaclec1385 traversea1393 mara1400 bayc1440 stoppagec1450 barrace1480 blocka1500 objecta1500 clog1526 stumbling-stone1526 bar1530 (to cast) a trump in (one's) way1548 stumbling-stock1548 hindrance1576 a log in one's way1579 crossbar1582 log1589 rub1589 threshold1600 scotch1601 dam1602 remora1604 obex1611 obstructiona1616 stumbling-blocka1616 fence1639 affront1642 retardance1645 stick1645 balk1660 obstruent1669 blockade1683 sprun1684 spoke1689 cross cause1696 uncomplaisance1707 barrier1712 obstruct1747 dike1770 abatis1808 underbrush1888 bunker1900 bump1909 sprag1914 hurdle1924 headwind1927 mudhole1933 monkey wrench1937 roadblock1945 1712 A. Pope tr. Statius First Bk. Thebais in Misc. Poems 6 Fix, O Muse! the Barrier of thy Song, at Oedipus. a1715 Bp. G. Burnet Hist. Own Time (1724) I. 652 The Tests stood as a barrier to defend us from Popery. 1742 E. Young Complaint: Night the Third 29 A good Man and an Angel! These between How thin the barrier? 1776 E. Gibbon Decline & Fall I. 60 Every barrier of the Roman constitution had been levelled by the vast ambition of the dictator. 1797 W. Godwin Enquirer ii. xii. 480 He..erects a barrier between himself and his reader. 1832 H. Martineau Ireland 128 The barrier which they believed to separate the rich and the poor in Ireland. 1855 J. L. Motley Rise Dutch Republic I. ii. ii. 271 All history shows how feeble are barriers of paper or lambskin..against the torrent of..absolutism. 1883 J. Gilmour Among Mongols xvii. 207 Felt to be barriers to the acceptance of Christianity. b. Frequently with defining word; sound barrier (see sound n.3). ΚΠ 1923 Internat. Jrnl. Psycho-anal. Oct. 495 (sub-heading) The Incest Barrier. 1957 Ann. Reg. 1956 346 Problems of producing aircraft for still higher speeds, with special attention for the next main obstacle—the heat barrier. 1958 F. G. Kenyon Our Bible & Anc. MSS (ed. 5) i. 36 They [sc. the Dead Sea Scrolls]..enable us..to ‘penetrate the Massoretic barrier’ by centuries. Compounds C1. General attributive. barrier fen n. ΚΠ 1855 R. C. Singleton tr. Virgil Georgics iv, in tr. Virgil Wks. I. 215 To cross the barrier-fen. barrier-like adj. ΚΠ 1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. xxii. 547 There is a simplicity in the barrier-like beach. barrier-net n. ΘΚΠ the world > food and drink > hunting > fishing > fishing-tackle > net > [noun] > fixed net stall net1246 trink1311 set net1481 trinkerc1485 pitch1523 half-net1538 trink-net1584 stop-net1634 toot-net1805 yair-net1805 stob-net1806 seta1808 stake-net1836 barrier-net1884 boom net1925 1884 D. Watt in S. Dawson Handbk. Canada 279 The barrier-nets and weirs of pale-faces. C2. barrier-act n. (see quot.). ΚΠ 1868 Chambers's Encycl. I. 712 Barrier Act..an act of the General Assembly of the Church of Scotland, 8th January 1697, intended as a barrier against innovations, and a hindrance to hasty legislation. barrier cream n. a protective cream for the skin. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines of specific form > ointments, etc. > [noun] > ointment > specific eye salveeOE diachylon1313 populeona1398 euphorbinec1400 marciaton?a1425 nerval?c1450 basilicon?1541 pilgrim-salvec1580 nerve oil1592 apostles' ointment1721 blue ointment1721 yellow basilicon1746 Kalydor1824 blue butter1838 Holloway's ointment1838 lip balm1853 chapstick1891 wool-wax1911 barrier cream1950 1950 N.Y. Times 16 Apr. E9/5 A British chemical firm protects workers who handle dyestuffs, chemicals, explosives, oils, acids, alkalis and grease by means of ‘barrier creams’. The cream is spread over the hands until an invisible ‘glove’ is formed. 1958 Sunday Times 20 July 16/5 A reputable barrier cream against sunburn. barrier-gate n. a heavy gate closing the opening through a barrier. ΘΚΠ the world > space > relative position > closed or shut condition > that which or one who closes or shuts > a barrier > [noun] > gate > other types of gate hatchOE leap-gate980 clicket gate?1499 court-gate1540 bar-gate1600 out-gate1648 hatch door1689 six-bar1711 heave-gate1736 farm gate1785 barrier-gate1834 Taranaki gate1937 1834 F. Marryat Peter Simple II. ii. 33 When we had crossed the moat, we found a barrier-gate locked. barrier layer n. in Physics an electrical layer lying between two different metals or between a metal and a semiconductor; also attributive. ΘΚΠ the world > matter > physics > solid state physics > semiconductivity > [noun] > layer between metal and semiconductor barrier layer1934 Schottky barrier1949 1934 Physical Rev. 46 1051 A barrier layer photo-cell..consists of a closed conducting circuit which comprises a semi-conductor forming a link in a metallic circuit. 1944 C. E. K. Mees Theory Photogr. Process xvii. 663 Numerous densitometers consist..merely of a light source, a barrier layer cell, and a microammeter. 1948 R. C. Walker Photoelectr. Cells in Industry i. 35 The rectifier type of light sensitive cell, often referred to by alternative names such as barrier layer, blocking layer, or self-generative cells. barrier-pillar n. (see quots.). ΘΚΠ society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > pillar or area of unworked material forbar?15.. pillar1591 whole1728 stalch1747 post1793 stenting1812 rib1818 stook1826 man-of-war1835 spurn1837 staple1839 barrier1849 shaft pillar1855 barrier-pillar1881 stoop1881 stump1881 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 105 Barrier-pillars, pillars of coal, larger than ordinary, left at intervals to prevent too extensive crushing when the ground comes to be robbed. barrier-reef n. ΘΚΠ the world > the earth > land > land mass > reef > [noun] > coral coral reef1745 barrier-reef1806 bioherm1928 1806 M. Flinders in Philos. Trans. (Royal Soc.) 96 252 Amongst the barrier reefs. 1853 H. T. De la Beche Geol. Observer (ed. 2) xi. 181 The Great Barrier Reef, extending off the east coast of Australia for about 1100 miles, with a mean breadth of about 30 miles. 1877 A. H. Green Geol. for Students: Physical Geol. (ed. 2) iv. §3. 136 A mighty wall of coral rock, separated from the land by a deep and broad channel, and bounded on the seaward side by a face almost vertical and of enormous height. Such a reef is called a Barrier reef. barrier-treaty n. a treaty fixing the frontier of a country, esp. the ‘Treaty of the Barriers’ between Germany, Great Britain, and Holland, signed at Antwerp 15 November 1715. ΘΚΠ society > authority > rule or government > politics > international politics or relations > international agreements > [noun] > treaty > treaty fixing boundaries or frontiers barrier-treaty1712 boundary-treaty1830 1712 N. Luttrell Diary in Brief Hist. Relation State Affairs (1857) VI. 719 The barrier treaty made by the lord Townsend with the states general. 1804 King George III in G. Rose Diaries (1860) II. 177 He..considered the Barrier Treaty as..a very effectual one..for preserving the balance of power in Europe. Draft additions September 2013 Horse Racing. A device used to ensure a simultaneous start for all competitors in a race; (now esp.) a starting gate (starting n. Compounds 3). ΚΠ 1896 World 2 Oct. 8/4 In the first race he was all but left with Palmerston when the barrier went up. 1898 N. Gould Landed at Last xvii. 161 When the starting barrier flew up, The Labourer was rather fractious, and did not move away quickly. 1953 Bulletin (Sydney) 7 Oct. 13/1 Soon as the barrier goes up Ginger gives a dozen flyin' pig-roots, nearly plants me, then tears off like he's jet-propelled. 1977 N.Z. Herald 8 Jan. i. 9/3 In Markham's favour will be his barrier draw, No 1 against See Egg's No 9. 2007 T. D. Thornton Not by Long Shot vii. 324 Tom Schwigen instantly flicks his starting switch, releasing the electromagnetic lock holding closed the massive front doors of the barrier. Draft additions June 2014 Chemistry. In full activation barrier. The amount by which the energy of the transition state of a reaction exceeds that of the initial state; the energy that must be supplied to the reactants for a given reaction to begin; cf. activation energy n. at activation n. Compounds. ΚΠ 1932 Chem. Rev. 10 121 Most of the problems of compound formation (valence) and activation energy may be solved by constructing a potential energy surface the low planes of which correspond to compounds stable at ordinary temperatures, provided the barrier separating one minimum from a still lower one is greater than about 20 kg-cal. 1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) ii. 38 The height of the barrier..is called the free energy of activation for the reaction (the higher it is the slower the reaction). 2006 J. M. Hornback Org. Chem. (Internat. Student ed.) viii. 270 It has an activation barrier, although small, that must be surmounted for reaction in either the forward or reverse direction. Draft additions September 2013 ˈbarrierless adj. without a barrier (in various senses); having no barrier or barriers. ΚΠ 1827 Morning Chron. 8 Aug. The girl..had..allowed the child for a moment to approach the barrierless brink of the river. 1922 H. S. Harrison St. Teresa xxii. 432 The elemental passions she had roused in him.., all that barrierless..intimacy. 1970 Daily Tel. 25 Sept. 2/5 A Morris 1300 Traveller flew across the barrierless central reservation and collided with an Aston Martin. 1991 Nikkei Weekly (Nexis) 27 July 15 To achieve the goal of a barrierless market from Chile to Canada. 2012 B. Bagchi Molecular Relaxation in Liquids viii. 158 Barrierless reactions have been studied using several different spectroscopic techniques. Draft additions December 2004 Medicine. A contraceptive device, such as a condom, cervical cap, etc., used to prevent sperm from reaching and fertilizing an egg, and (esp. in later use) to help prevent the spread of sexually transmitted infections. Frequently attributive, esp. in barrier contraception, barrier contraceptive, barrier method. ΚΠ 1938 R. L. Dickinson Control of Conception (ed. 2) vi. 78 Much of the contraceptive value of many products arises from the fact that a physical barrier to the uterine canal is formed. Barrier action is wholly dependent upon physical properties. 1967 Preventive Med. & Family Planning 77 (heading) Barrier methods of contraception. 1978 Oncol. 35 98/2 The preliminary data also show that 16.1% of the women using barrier contraception..would develop breast cancer, and 3.4% of women using non-barrier techniques..would experience this disease. 1989 J. A. B. Collier & J. M. Longmore Oxf. Handbk. Clin. Specialties (ed. 2) i. 60 Spermicides should not be used without barriers as they provide inadequate contraception cover. 1993 Gleaner (Kingston, Jamaica) 11 Mar. 17/2 A barrier contraceptive for women that also protects them from HIV infection and other sexually transmitted diseases..is likely soon to be commercially available. 1999 Daily Nation (Nairobi) 9 Dec. 23/6 Addressing HIV/Aids prevention issues as part of prevention of unwanted pregnancy with an emphasis on barrier methods. This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2022). barrierv. To close or shut with a barrier. Commonly with off, in. ΘΚΠ the world > space > relative position > closed or shut condition > close or shut [verb (transitive)] > shut up (a place) > with a barrier, fence, etc. hedgea1425 stakea1500 to rail offc1500 stake1598 chain1603 rope1621 fence1767 hurdle1770–4 barrier1776 traverse1828 ward1842 stone1889 1776 C. Lee in J. Sparks Corr. Amer. Revol. (1853) I. 153 I shall barrier the principal streets. 1869 Daily News 2 July A space was barriered off by ropes. 1879 F. Malleson in Lett. Clergy 51 The mountain tarn barriered in by its stupendous crags. This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2021). < n.c1380v.1776 |
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