单词 | percussion |
释义 | percussionn. 1. a. Chiefly Science. The action of coming forcibly into contact with an object so as to give a shock; impact. Also: an instance of this; a stroke, blow, or knock.Usually in reference to solid objects; more rarely to liquids, or to air (as producing sound).bulb of percussion: see bulb n. 4b. centre of percussion: see centre n.1 and adj. Phrases 1. ΘΚΠ the world > movement > impact > [noun] > forcible, heavy, or violent piltinga1250 racec1330 squatc1350 dasha1375 percussion?a1425 peise1490 poise1490 dashing1580 gulp1598 jolt1599 feeze1603 slam1622 arietation1625 pash1677 pulse1677 jounce1784 smash1808 smashing1821 dush1827 birr1830 dunch1831 whop1895 ?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 5 (MED) Þe 3a. tretys is of wondes..For wondes & percussions, i. smytynges. ?1543 T. Phaer tr. J. Goeurot Regiment of Lyfe ii. f. xii Some tyme the sayde peyne [of the eye] commeth by percussion or strykynge. 1603 P. Holland tr. Plutarch Morals 1348 He saith: That we doe..heare by the percussion and beating of the aire. 1669 Philos. Trans. (Royal Soc.) 4 1088 The Doctrine of Percussion on which depends that of the Cuneus or Wedge. 1718 I. Newton Opticks (ed. 2) iii. i. 314 Whether that agitation be made by Heat, or by Friction, or Percussion, or Putrefaction, or by any vital Motion. 1794 G. Adams Lect. Nat. & Exper. Philos. III. xxxi. 297 Percussion puts all the parts of the wood into a tremulous motion. 1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 29 No heat seems to follow from the percussion of liquids in soft bodies. 1879 Cassell's Techn. Educator (new ed.) IV. 146/2 Fulminating silver, even when moist, will explode by percussion. 1949 Our Industry (Anglo-Iranian Oil Co.) (ed. 2) 326 The rock is penetrated by percussion of a bit on bottom, the bit being suspended on a wire-line. 1967 C. Wilson in G. Wills & R. Yearsley Handbk. Managem. Technol. 46 NCR paper..(‘no carbon required’) has a chemically coated surface activated by percussion. 2001 Oxoniensia 65 228 Striking platforms were usually plain and bulbs of percussion tended to be diffuse. b. In extended use, esp. with relation to sound. Cf. sense 2a.Quot. c1460 has the sense ‘an attack’. ΘΚΠ society > leisure > the arts > literature > poetry > versification > rhythm > [noun] > beat > rhythmical or metrical stress accent1550 stroke1576 impression1643 percussion1674 pulse1677 ictus1752 arsis?1775 elevation1776 thesis1864 upbeat1883 c1460 Tree & 12 Frutes (McClean) (1960) 141 (MED) And forto egge a man to synne, be many percussiouns of vnkendely hetes. a1616 W. Shakespeare Coriolanus (1623) i. v. 30 With thy grim lookes, and The Thunder-like percussion of thy sounds Thou mad'st thine enemies shake. View more context for this quotation 1674 T. Rymer in tr. R. Rapin Refl. Aristotle's Treat. Poesie Pref. 13 In the Italian and Spanish..all the Rimes are dissyllable, and the percussion stronger. 1823 J. Badcock Domest. Amusem. 114 We had long ago seen negroes employed in percussion upon their Barbadean masters, by whom it is termed ‘Champooing’. 1867 A. M. Bell Visible Speech: Sci. Universal Alphabetics 60 An ‘outer’ formation, or closure of the super-glottal passage.., yields a distinct percussion. 1922 T. E. Lawrence Seven Pillars (Oxford text) lxvii. 148/1 It was covertly enjoyable to see the percussion of the unusual surroundings on the two men. 1986 D. Carey Dreadnought i. 12 There was a muted percussion of clicks beneath the demolished library console. 2. Music. a. The playing of a musical instrument by striking it or by striking two parts together; the sound so produced. Also: the percussion instruments of an orchestra collectively; the players of these. Later also: electronic musical instruments producing sounds like those of percussion instruments. Also occasionally as a count noun.Esp. in percussion instrument (also instrument of percussion). Mainly applied to instruments used chiefly or solely to mark rhythm, as drums, cymbals, etc.; occasionally applied to instruments in which strings are struck by hammers, as the piano. ΘΚΠ society > leisure > the arts > music > musical instrument > percussion instrument > [noun] percussiona1626 percussive1890 society > leisure > the arts > music > musical instrument > percussion instrument > [noun] > collectively percussion1889 trap1903 battery1926 kitchen1928 kit1929 batterie1934 society > leisure > the arts > music > musician > instrumentalist > company of instrumentalists > [noun] > orchestra > section of orchestra > specific violino terzo1724 brass1876 wind1876 woodwind1876 strings1887 percussion1889 wood1901 timps1934 timpani1977 a1626 F. Bacon Sylvarum (1627) ii. cxvi. 40 As for the Iewes Harpe, it is a sharpe Percussion; And besides, hath the vantage of penning the Aire in the Mouth. 1776 C. Burney Gen. Hist. Music I. 262 Drums and cymbals, instruments of percussion. 1838 Penny Cycl. XII. 498 Instruments, Musical, are, 1. Keyed, as the Organ, Piano-forte, etc.;..4. of Percussion, as the Drum, Cymbals, etc. 1871 J. Yeats Techn. Hist. Commerce i. ii. 53 The Egyptians had many of the wind, stringed, and percussion instruments at present known. 1889 G. B. Shaw How to become Musical Critic (1960) 164 Brass and percussion [are] behind the wood wind and under the stage. 1904 Daily News 25 Feb. 8/5 Almost all the strings are pupils of the conductor, and the wind and percussion are prominent members of London orchestras. 1960 R. W. Buggert (title) Teaching techniques for the percussions. 1995 Alternative Press May 90/2 Building forbidding rhythmic edifices with metallic percussion and massively distorted synth drums. ΘΚΠ society > leisure > the arts > music > musical instrument > keyboard instrument > types of organ > [noun] > reed-organ > parts of vibrator1862 percussion stop1875 striking-reed1875 knee-stop1876 percussion1879 tube-board1880 pedal1882 1879 G. Grove Dict. Music I. 667 Another major invention was that of Martin, who gave the harmonium..‘quicker speech’, i.e. made the sound more quickly follow the descent of the key. The invention is known as ‘percussion’. 3. Palmistry. The outer edge of the palm of the hand. rare in 18th and 19th centuries. ΘΚΠ the world > life > the body > external parts of body > limb > extremities > hand > [noun] > edge of percussion1644 pommel1644 sharp of the hand1840 1644 J. Bulwer Chirologia 75 The hand thus closely shut and the fingers all turned in... The nether part..Chiromancers call the pomell or percussion. 1653 R. Saunders Physiognomie i. 14 The percussion, which is the outer part, which moves when we strike anything. 1663 R. Saunders Palmistry i. 23 Hypothenar, the Percussion of the hand. 1898 S. T. A. How to read Hand 7 The outer line of the palm, from the base of the little finger to the wrist, is termed the Percussion. 1901 W. G. Benham Laws of Sci. Hand Reading i. i. 3 (diagram) Percussion. 1992 Prediction May 18/2 Should the apex favour the ulna, or percussion side of the palm, expect to find a good sense of practical responsibility. 4. Firearms. The striking of an explosive powder (either loose or contained in a cap) so as to produce a spark and explode the charge in a firearm. Also: = percussion gun n. at Compounds 2. Now historical. ΘΚΠ society > armed hostility > military equipment > operation and use of weapons > action of propelling missile > discharge of firearms > [noun] > percussion percussion1807 society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > [noun] > type of firearm > by method of firing hammer-gun1645 percussion1807 detonating gun1814 detonator1822 flintlock1833 flint-gun1837 needle-gun1850 pin-fire1867 rimfire1889 miquelet1926 1807 Brit. Patent 3032 (1854) 3 Gunpowder used alone, which cannot be made to explode..without such a degree of..violent percussion as cannot conveniently be made use of in gunnery. 1821 P. Egan Real Life in London I. i. 8 My new patent double-barrelled percussion. 1846 W. Greener Sci. Gunnery (new ed.) 90 Percussion has been for some years introduced into the service, for igniting the charge of all large guns. 1941 Cosmic Stories May The gun doesn't fire by percussion.., and as long as the magnets hold out we're okay. 2000 Smithsonian (Nexis) 1 Aug. 93 The lovely longrifle went into a decline, many cut down and converted to percussion, others forgotten, to rust away. 5. Medicine. The action or procedure of tapping or striking a part of the body with the finger or an instrument, so that the resulting sound can be used in diagnosis. Also: the therapeutic procedure of striking the chest with the hands to encourage the ejection of mucus, etc.mediate percussion: see mediate adj. Compounds. ΘΚΠ the world > health and disease > healing > diagnosis or prognosis > examination > [noun] > auscultation > percussion percussion1821 pleximetry1848 plessimetry1879 orthopercussion1907 1821 J. Forbes in tr. R. T. H. Laennec Treat. Dis. Chest Pref. p. xxiv Percussion, consists in striking the chest with the ends of the fingers united. 1843 R. J. Graves Syst. Clin. Med. Introd. Lect. 16 How much has the treatment of pectoral diseases been improved by the application of auscultation and percussion? 1893 New Sydenham Soc. Lexicon (at cited word) Medical percussion was known to Hippocrates, but was only used in abdominal diseases. 1949 H. Bailey Demonstr. Physical Signs Clin. Surg. (ed. 11) xxiii. 290 Commence percussion from the right side to the left, noting where the resonant area becomes dull. 1995 Sci. Amer. Dec. 37/1 Gentle pounding on the chest, or chest percussion, has long been a standard treatment for cystic fibrosis. ΘΚΠ society > leisure > the arts > music > musical sound > harmony or sounds in combination > [noun] > movement of parts > suspension, anticipation, etc. resolution1721 preparation1728 postposition1730 retardation1730 suspense1737 suspension1786 anticipation1819 triple suspension1876 percussion1880 1880 G. Grove Dict. Music II. 685 Percussion..is the actual sounding of the discord. Compounds C1. Of, for, relating to, or worked by percussion. a. Constructed so as to be ignited or exploded by percussion (cf. sense 4). percussion arm n. ΚΠ 1839 Times 28 Mar. 3/4 The officer at the head of the Ordnance would have to come down to the house and ask for a large vote to provide percussion arms. 1953 Mil. Affairs 17 205/2 There is another aspersion against percussion arms which is not entirely warranted. 2000 Austin (Texas) Amer.-Statesman (Nexis) 9 Nov. a18 Deringer of Philadelphia commenced manufacture of percussion arms in 1825. percussion bomb n. ΚΠ 1864 Times 15 Jan. 9/1 Percussion bombs and poisoned daggers are weapons more familiar to the Continent than to us. 1916 J. N. Hall Kitchener's Mob ix. 133 The fourth was a percussion bomb, which had long cloth streamers fastened to the handle to insure greater accuracy in throwing. 1991 Bandera (Manila) 13 Mar. 2 An unidentified man hurled a powerful percussion bomb in their midst while they were playing at the school yard. percussion bullet n. ΚΠ 1861 H. L. Scott Mil. Dict. 462 Percussion bullets—are made by placing a small quantity of percussion powder, inclosed in a copper envelope, in the point of an ordinary rifle musket bullet. 2001 Sun Herald (Biloxi, Mississippi) (Nexis) 9 Jan. c5 During the primitive season, hunters can use only a bow and arrow or muzzle loader, which are like old-time muskets loaded with powder and percussion bullets. percussion fuse n. ΚΠ 1858 Mechanics' Mag. 23 Oct. 393/2 His [sc. Armstrong's] invention also embraces a percussion fuse of his invention for causing the shell to burst on striking an object. 1875 E. H. Knight Pract. Dict. Mech. Percussion-fuse, a fuse in a projectile set in action by concussion when the projectile strikes the object. 1998 Irish Times (Nexis) 17 June 6 The manifest of the Lusitania showed it was carrying..18 boxes of percussion fuses. percussion primer n. ΚΠ 1824 Mechanics' Mag. 20 Nov. 142/1 Joshua Shaw's improved percussion primers. 1937 Times 9 Oct. 11/2 Trial supplies of materials at an estimated cost of £100,000, including..50,000 percussion primers for military shells. 2001 Guardian (Nexis) 9 May 9 Mr Pownall said this particular type of residue was caused by the gun's firing pin striking..the percussion primer cap. percussion tube n. ΚΠ 1839 Jrnl. Franklin Inst. 23 114 Percussion tubes for cannon. 1899 Times 16 Jan. 11/3 Firing gears are provided for using friction or percussion tubes. 1994 B. L. Dastrup Field Artillery i. ii. 29 Both the percussion tube and the friction primer were placed in the vent. b. Medicine. Belonging to, used for, or produced by medical percussion (sense 5). percussion dullness n. ΚΠ 1867 J. King Causes Chronic Dis. 825 The diminution or total absence of percussion dullness in the region of the liver. 2001 Chest (Nexis) June 1966 The lungs had percussion dullness in the right base. percussion massage n. ΚΠ 1887 D. Maguire Art of Massage (ed. 4) ii. 20 His percussion massage is nothing more than that employed by the ancients. 1999 Evening Standard (Nexis) 12 Feb. 67 Hit the spa for a ‘beer bath’ or a ‘percussion massage’ to the rhythm of beating drums. percussion note n. ΚΠ 1862 New Amer. Cycl. (new ed.) XIII. 393/2 As the fluid is absorbed the respiratory murmur and normal percussion note gradually return from above downward. 1999 Brit. Jrnl. Anaesthesia 83 960 The percussion note is exaggerated partly because a stethoscope is used and partly because..air localizes upwards to the anterior thorax. percussion resonance n. ΚΠ 1866 E. E. Marcy & F. W. Hunt Homœopathic Theory & Pract. Med. I. 787 Percussion resonance on both sides not diminished, but often exaggerated. 1994 Chest (Nexis) May 1538 Increased percussion resonance..and reversal of right lower lobe collapse were reported for particular patients. percussion sound n. ΚΠ 1853 W. O. Markham tr. J. Skoda Treat. Auscultation 10 The completely empty percussion-sound—the thigh-percussion-sound—heard at any yielding part of the walls of the thorax, or the abdomen. 1999 Sci., Technol., & Human Values 24 429 Skoda's renewed approach to the interpretation of auscultation (and percussion) sounds..dominated..ongoing research on this topic. percussion stroke n. ΚΠ 1853 W. O. Markham tr. J. Skoda Treat. Auscultation 21 The fluid in the cavity is disturbed by the percussion-stroke, and a sound, similar to the movement of saliva in the mouth, is then produced. 1998 N.Y. Times (Nexis) 10 May (Long Island section) 6/1 Ms. Valentino's fingers did a series of tapotement, or brisk and uniform percussion strokes, like karate chops, along her spine. percussion thrill n. ΚΠ 1870–93 S. J. Gee Auscult. & Percuss. (ed. 4) iii. 75 Percussion Thrill. A peculiar quivering sensation..sometimes produced by percussion. 1967 G. Fegan Varicose Veins vi. 73 The percussion thrill can often be felt for considerable distances along veins which are otherwise undetectable. percussion tone n. ΚΠ 1905 N.E.D. at Percussion sb. Percussion tone. 1992 Chest (Nexis) Oct. 1281 He had symmetric bilateral excursions of the chest wall with normal breath sounds and percussion tones. C2. percussion blow n. (a) the striking of the hammer in a percussion gun; (b) a sharp tap or blow of any kind. ΚΠ 1854 Sci. Amer. 21 Oct. 46/3 The priming at the front on [sic] lower end of the pin shall be exploded by concussion produced by the percussion blow of the hammer on the other end of it. 1986 Jrnl. Field Archaeol. 13 86/2 To collect this mollusc, a light percussion blow at its base is sufficient to detach the animal from the rock. percussion cap n. a small metal container (originally cap-shaped and made from copper) of powder which is exploded by the impact of the hammer in a firearm, so as to fire the charge; (also) a paper form of this for use with toy guns. ΘΚΠ society > armed hostility > military equipment > weapon > missile > ammunition for firearms > [noun] > cap percussion cap1823 capc1826 1823 J. Day Specif. Patent 4861 Nipple or spill to receive the copper percussion caps. 1895 O. Guttmann Manuf. Explosives II. 275 Percussion caps were first made by Joseph Egg, an English gun-maker, in 1815. 1920 C. Carswell Open Door! i. i. 11 Sholto who wanted to fire off a new penny pistol, searched his sporran for pink percussion caps. 1994 Ontario Out of Doors Sept. 14/2 Seminar will cover flintlock and percussion cap firearms. percussion drill n. a drill that works by delivering a rapid succession of heavy blows. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > drill > power drills > percussion drills pneumatic drill1861 percussion drill1871 road drill1907 hammer drill1908 piston drill1910 jackhammer1912 1871 W. P. Blake Notices Mining Machinery 49 The latter are all of the class of percussion drills, and cut by the force of the blow concentrated at the point of the drill. 1910 Times Engin. Suppl. 29 June 17/1 (heading) An electric percussion drill. 2002 Buffalo News (N.Y.) (Nexis) 14 Nov. b4 The officers seized 57 tool cases containing pneumatic drills, percussion drills and similar items. percussion figure n. [apparently after German Schlagfigur (1869)] Mineralogy a characteristic figure produced by a blow with a pointed instrument on a thin plate of certain crystals, esp. mica. ΚΠ 1890 Cent. Dict. at Percussion Percussion-figure, a figure produced in a thin plate of some crystals by a blow with a rather sharp point. 1991 Tectonophysics 190 373 If stress is applied rapidly by striking the surface in a controlled way, a pattern known as the ‘percussion figure’ is produced. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. III. 1665/2 Percussion-grinder, a machine for crushing quartz or other hard material by a combined rubbing and pounding process. percussion gun n. a gun which uses percussion to explode the charge. ΚΠ 1823 Times 7 Jan. 4/5 (advt.) Pair Duelling Pistols by Mortimer and a Percussion Gun Ditto. 1917 Forest & Stream Nov. 528/3 The new percussion gun had come into general use (superseding the flint lock). 2002 Times Union (Albany, N.Y.) (Nexis) 5 Dec. c7 Percussion guns also are popular among blackpowder shooters. percussion gun-lock n. = percussion lock n. ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > lock > types of firelock1544 snap-work1568 rewet1572 snaphance1588 French lock1641 wheel-lock1670 flintlock1683 matchlock1688 percussion gun-lock1808 percussion lock1819 rebounder1871 rebounding lock1871 miquelet1926 1808 Philos. Mag. 30 183 (heading) ) Description of the Percussion Gun-Lock. 1963 R. Gardner Small Arms Makers 35 Caswell, Jedediah... Granted patent on percussion gunlock. percussion hammer n. (a) a hammer in a percussion gun which strikes the powder or cap, exploding it and so firing the charge; (b) Medicine a small hammer used in medical percussion; (c) an electrically powered hammer that delivers rapid blows. ΘΚΠ the world > health and disease > healing > medical appliances or equipment > other surgical equipment > [noun] > percussion hammer plessor1844 plexor1844 percussion hammer1848 percussor1867 the world > health and disease > healing > diagnosis or prognosis > examination > [noun] > auscultation > percussion > instruments used in pleximeter1826 plessimeter1831 plessor1844 plexor1844 percussion hammer1848 plegometer1853 percussor1867 plessigraph1870 1848 Sci. Amer. 17 June 306/3 It is capable of carrying fifty caps at once in a side-tube, which are..presented to the percussion hammer one after another as the discharge is made. 1898 T. C. Allbutt et al. Syst. Med. V. 212 Percussion..with a pleximeter and percussion-hammer..yields a clear metallic sound. 1939 Times 23 Feb. 20/7 They had also placed upon the market..electrical drills, a new electrical percussion hammer, and many other tools. 1965 Times 20 Mar. 13/2 The striking head of the hammer [in a gun of 1868] has a modified version of the cup shaped percussion hammer head. 1989 Neurology 39 1544/1 With the head of the common percussion hammer, the achilles tendon, especially in the supine patient, cannot always be struck securely. percussion lock n. a form of gunlock in which the charge is fired by means of a percussion cap; also attributive. ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > lock > types of firelock1544 snap-work1568 rewet1572 snaphance1588 French lock1641 wheel-lock1670 flintlock1683 matchlock1688 percussion gun-lock1808 percussion lock1819 rebounder1871 rebounding lock1871 miquelet1926 1819 Times 21 July 1/2 (advt.) To gun makers—Percussion-locks. 1884 Official Rep. New Mexico 1882, 1883 88 The Territory now has four hundred old style percussion lock Austrian muskets. 1984 Comments on Etymol. 13 vii.–viii. 3 From the first quarter of the 17th Century until it was replaced by the percussion lock in the early part of the 19th Century, the flintlock ignition system was standard for all types of firearms. percussion match n. a match which ignites by striking or being struck; spec. a type of match used to fire the charge in a percussion gun; also attributive. ΚΠ 1851 Rep. Great Conspiracy Case 294 By placing a keg of powder under the track, and having a trail of powder to the track, it could be fired by means of percussion matches under the rail. 1968 Times 7 Nov. 20/6 (advt.) A pair percussion match pistols, maker B. Courtin au Blanc: £240. 2001 Sydney Morning Herald (Nexis) 26 Sept. 10 Among a group of match rifles, two .451 muzzle-loading percussion match rifles by Alexander Henry of Edinburgh stood out. percussion pistol n. a pistol that uses percussion to explode the charge. ΚΠ 1829 Times 28 July 2/6 His hands lay across his breast, in each of which there was a small percussion pistol firmly grasped. 1989 Miller's Collectables Price Guide 1989–90 289 A Birmingham Police force's percussion pistol, marked B, c1850. percussion powder n. an explosive substance that ignites by percussion, esp. a powder used in percussion caps (originally chiefly potassium perchlorate, later mercury fulminate). ΘΚΠ society > armed hostility > military equipment > weapon > missile > ammunition for firearms > [noun] > explosive for use with firearms > specific serpentine powder1497 musket powder1644 black powder1793 percussion powder1819 wood powder1870 musketry powder1876 Schultze gunpowder1881 sawdust-powder1883 cocoa powder1884 brown powder1886 melinite1886 lyddite1888 rifleite1891 nitro powder1892 turpinite1895 nitro1900 shimose1904 1819 T. B. Johnson Shooter's Compan. 102 Percussion powder..ignites with a blow. 1889 Overland Monthly Oct. 433/2 I'm very nervous about that lot of fulminate—the percussion powder—I put in there today. 1997 Sunday News (Lancaster, Pa.) (Nexis) 3 Aug. h1 There will be showers of sparkling fireworks from three balconies.., flash pots filled with percussion powder. percussion revolver n. now historical a revolver which uses percussion to explode the charge. ΚΠ 1877 Times 23 June 7/5 They consist of an English central percussion revolver and an American 24-shooter carbine. 1950 Bridgeport (Connecticut) Post 23 Mar. 1/3 Civil War relics were taken... The missing items were described as follows: a Colt percussion revolver, a bayonet, [etc.]. 1994 Guns & Shooting June 63/1 Later moulds for percussion revolvers usually cast a round and a cylindro-conical bullet. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. III. 1666/1 Percussion-sieve, an apparatus..for sorting ores, principally those of lead. ΚΠ 1868 C. B. Norton & W. J. Valentine Rep. to Govt. U.S. on Munitions of War at Paris Universal Exhib. 1867 28 Full-cock the hammer, pull the trigger, causing the hammer to strike the percussion-slide.., forcing it against the rim of the cartridge, and exploding it. percussion stop n. a draw-stop in a reed organ which produces a piano-like effect. ΘΚΠ society > leisure > the arts > music > musical instrument > keyboard instrument > types of organ > [noun] > reed-organ > parts of vibrator1862 percussion stop1875 striking-reed1875 knee-stop1876 percussion1879 tube-board1880 pedal1882 1875 E. H. Knight Amer. Mech. Dict. III. 1666/1 Percussion-stop, a piano-forte stop to the organ, which renders the touch like the former. 1998 Daily Oklahoman (Nexis) 29 July 1 The organ has 14 sets of pipes, six percussion stops, 49 bells, [etc.]. percussion table n. Mining (now historical) an apparatus for sorting ores according to weight, consisting of a slightly inclined table or frame which is vibrated and periodically allowed to fall. ΘΚΠ society > occupation and work > equipment > equipment for treating ores > [noun] > for separating or sorting ore by size or weight grate1778 percussion table1839 classificator1856 classifier1856 grating1869 1839 A. Ure Dict. Arts 816 We shall now describe the percussion-tables used in the Hantz. 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 162 Percussion-table, an inclined table, agitated by a series of shocks, and operating at the same time like a buddle. 1905 Times 6 Sept. 8/2 Diamonds alone..adhered to grease..all the others would flow away as tailings over the end of the percussion table. percussion welding n. a form of resistance welding in which momentary pressure is applied to the parts to be joined. ΚΠ 1954 B. E. Rossi Welding Engin. ix. 215 Percussion (or percussive) welding is a process in which coalescence is produced..by heat obtained from an arc..with pressure percussively applied. 1984 E. P. DeGarmo et al. Materials & Processes in Manuf. (ed. 6) xxxi. 823 Percussion welding is a similar method where heating..obtained by an arc..is followed by a rapid application of force to expel the metal and produce the joint. Derivatives perˈcussionize v. (a) = percussion v. 1; (b) to add percussion to (music). ΘΚΠ society > armed hostility > military equipment > production and development of arms > produce or develop arms [verb (transitive)] > processes in gun-making stock1539 ranforce1547 newel1611 rifle1619 fortify1627 screw1635 chamber1708 reborea1792 flint1803 restocking1805 vent1828 percussionize1832 ream1841 percussion1844 restock1844 retube1846 revent1864 reline1875 sleeve1976 1832 G. T. Vigne Six Months in Amer. II. 76 In New York..a gunmaker had put over his door, ‘Flint and steel guns altered and percussionized.’ 1997 Los Angeles Times (Nexis) 22 Apr. f2 David Lang's arrangement of ‘Born to Be Wild’, with Glennie dead-panning the lyrics over a percussionized arrangement, was good fun. 1998 Univ. Wire (Nexis) 22 July 6 To percussionize this otherwise droning but smooth pop ballad would be to make it a really bad dinner-band song. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). † percussionv. Obsolete. 1. transitive. To fit or adapt (a firearm, bullet, shell, etc.) so that it may be fired by percussion (percussion n. 4). ΘΚΠ society > armed hostility > military equipment > production and development of arms > produce or develop arms [verb (transitive)] > processes in gun-making stock1539 ranforce1547 newel1611 rifle1619 fortify1627 screw1635 chamber1708 reborea1792 flint1803 restocking1805 vent1828 percussionize1832 ream1841 percussion1844 restock1844 retube1846 revent1864 reline1875 sleeve1976 1844 Polytechnic Rev. & Mag. 1 203 Shells may be made percussioned, and a greater precision given to cannon firing. 1865 Times 21 June 6/1 A double-barrelled breech-loader is subjected to three proofs,..the third when percussioned and jointed. 1881 W. W. Greener Gun & its Devel. 250 When percussioned the gun is shot at a target. 2. transitive. To massage (a part of the body) with repeated percussive movements. rare. ΘΚΠ the world > health and disease > healing > medical treatment > physiotherapy > practise physiotherapy [verb (transitive)] > massage > with specific movement knead1609 hack1866 percute1867 full1868 percussion1887 pétrie1887 1887 D. Maguire Art of Massage (ed. 4) iii. 47 That the part being percussioned should become accustomed..to the manipulation. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online September 2018). < n.?a1425v.1844 |
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