| 释义 |
▪ I. quad, n.1|kwɒd|
abbrev. (orig. in Oxford slang) of quadrangle n. 2.
1820in Brasenose Ale 8 When first thy Quad, O Brasenose, sprung from earth. 1827Sporting Mag. XXI. 70 Mr. Protheroe once met me in ‘Quad’ during the frost. 1861Hughes Tom Brown at Oxf. i, The rooms ain't half so large or good in the inner quad. 1884Pall Mall G. 24 Jan. 3/2 Pump Court—the dreariest of all the Temple quads.
▪ II. quad, n.2|kwɒd|
abbrev. of quadrat n. 2.
1880in Webster Suppl. 1884Western Morn. News 17 July 4/6 A quad is a compositor's instrument for the filling up of blanks. 1884Tuer (title) Quads within Quads, for Authors, Editors, and Devils. 1884Pall Mall G. 1 Aug. 4/2 ‘Quads’ in the present case are a trade term applicable to printers' jokes.
▪ III. quad, n.3|kwɒd|
abbrev. of quadruplet.
1896Daily News 2 June 9/2 Stocks was paced by five triplets and a quad. 1897Whitaker's Alm. 641/2 A quad team did a flying quarter in 24·6 secs. 1951M. Abercrombie et al. Dict. Biol. 182 An armadillo (Dasypodus) always has identical quads from a single ovum. 1974Publishers Weekly 26 Aug. 302/3 The good sports books seem to come in quads or pairs: four Babe Ruth books, two on [etc.]. 1975Nature 3 Apr. 379/2 If the same pairs, triples, quads.., of references are observed in a number of articles, there is an implied consensus of opinion. 1978Daily Tel. 4 Dec. 2/6 A five-year-old Friesian cow has given birth to quads. 1979Daily Tel. 16 Nov. 3/4 Quads were born by Caesarean operation at St. Mary's Hospital, Paddington.
▪ IV. quad, n.4|kwɒd|
abbrev. of quadruped 1 b.
1894Sir J. D. Astley Fifty Years Life I. 97 He was mounted on a sorry old quad. Ibid. II. 88, I stuck to my quad and rode into the paddock.
▪ V. quad, n.5
see quad a.1
▪ VI. quad, n.6 Teleph.|kwɒd|
[Abbrev. of quadruplex a. and n.]
A group of four insulated conductors twisted together, the conductors usu. forming two circuits. Also attrib. or as adj., as quad cable.
1922Bell Syst. Techn. Jrnl. I. 72 The cable is of quadded construction, that is, the wires are first wrapped with dry paper for insulation and twisted into pairs and then two pairs are twisted into what is called a quad. 1940Chambers's Techn. Dict. 691/1 Quad (or star-quad) cable, lead-covered cable in which the unit group is four paper-insulated conductors twisted together, opposite conductors forming the go and return circuits of a four-wire channel respectively. 1941A. E. Knowlton Stand. Handbk. Electr. Engineers (ed. 7) xxii. 2075 A quad is formed by twisting together two individual pairs,..in the same manner that each pair is formed. 1958J. R. G. Smith Elem. Telecommunications Pract. v. 72 The quads are then made up in the number of layers required for the size of the cable.
▪ VII. quad, n.7|kwɒd|
[Abbrev. of quadrilateral a. and n.]
1. Naut. A four-sided jib used on racing yachts. Also attrib.
1937Sun (Baltimore) 4 Aug. 14/1 Endeavour's board of strategy had ordered a new quadrilateral Genoa jib made of synthetic silk and similar to the big ‘quad’ which has proved so effective in Ranger's windward work. 1937Yachting Monthly LXIII. 376/1 Both yachts broke out their Genoa jibs, but whereas Ranger's was a double-clewed sail, or ‘quad’, that aboard the challenger was somewhat smaller. Ibid. 378/1 Vanderbilt sprang his own choice in head rigs and set a wonderful quad Genoa. 1938Britannica Bk. of Year 712/1 A feature of ‘Ranger's’ rig was the efficient use of quadrilateral jibs and particularly of a large ‘quad’ Genoa jib made of rayon.
2. Radio. An aerial in the form of a square or rectangle broken in the middle of one side. Freq. attrib.
1961Amateur Radio Handbk. (ed. 3) xiii. 385/2 A quad aerial is practicable for 14 Mc/s but it is, of course, a one-band aerial; however, 21 and 28 Mc/s quads can be nested instead inside a 14 Mc/s structure without serious interference. 1962Flight Internat. LXXXI. 596/1 A quad-helix aerial could be seen... It is one of 52 Cubic installations furnished for acquisition, telemetry and communications for manned orbital flights. 1976Perkowski & Stral Joy of CB xi. 125 Even greater directionality is achieved with a stacked quad consisting of four elements.
▪ VIII. quad, n.8 slang (orig. N. Amer.).|kwɒd|
[Shortened form.]
= quadriceps (s.v. quadri- II). Usu. in pl.
1958Muscle Power Feb. 40/2 Quads, those troublesome curves that cause muscleheads to walk with bent knee. 1981J. Fonda Workout Bk. (1982) 120 (heading) Quad stretch stretches quadriceps. 1984Running Sept. 17/3 The lack of shock absorption should have murdered my quads, but the need to land gently neutralised this. 1986Ibid. Apr. 6/4 The date of the Waterloo XV, a ‘quad-sapping’ 15 km combination of road, field, trail, sand dunes and seashore, takes place on Monday.
▪ IX. quad, n.8
see quad a.2
▪ X. quad, n.9|kwɒd|
[Abbrev. of quadrillion.]
A unit of energy equal to 1015 British thermal units (very nearly 1018 joules).
1974Newsweek 7 Oct. 84/2 The current standard energy forecast is that U.S. demand will double in the next ten years to nearly 145 ‘quads’ (or quadrillion BTU's). 1976Sci. Amer. Jan. 21/2 Without any new initiatives the need for imported oil will rise steadily from about 12 quads at present to more than 60 in the year 2000. 1976National Observer (U.S.) 17 Apr. 8/3 The nation's energy consumption in 1974 was about 73 quads. 1980Nature 10 Apr. 501/2 The first assumes a level of energy consumption in the US of 71 quads, equal to estimates of consumption in 1975 when the study was started.
▪ XI. quad, a.1 and n.5|kwɒd|
abbrev. of quadruple a. and n.
A. adj.
1888in Jacobi Printers' Vocab. 1891Star 12 Nov. 1/1 Printing Plant, including..quad crown perfecting machine, quad demy and double demy machines. 1961Times 30 Oct. (Brit. Posters Suppl.) p. iii/6 Posters ranging from quad-crown to crown-folio. 1967Electronics 6 Mar. 158/1 One manufacturer..offers a ‘quad 2-input or gate’ that actually has three 2-input and gates and one 3-input and gate feeding into a nor gate. 1972G. V. Higgins Friends E. Coyle xviii. 106 Eddie Coyle drove the old Sedan de Ville cautiously, the quad headlights on high beam. 1972Country Life 10 Feb. 341/2 Asked what brought her to the forecourt apart from the imminent need for petrol, she replied unhesitatingly: ‘Quad stamps and promotion offers.’ 1973D. Robinson Rotten with Honour 176 How much should I ask him for it?.. I'll try two-fifty and maybe throw in quad stamps. 1974Sunday Times 16 June 29/6 Their time of 4 min 49·80 sec...was only 20 seconds slower than Eton's record in the eights, clearly indicating the potential speed of quad scullers.
B. n.5 Also Quad. A vehicle with four-wheel drive; spec. (see quot. 1948). orig. U.S.
1919‘I. Hay’ Last Million xiv. 224 Smaller vehicles of American design, known as ‘Quads’. These possess the unusual feature of a drive upon either axle. 1941Illustr. London News 24 May 657/2 The third drawing shows ‘Quads’, powerfully mechanised units, which haul and guide the new guns into position and out. 1948Partridge Dict. Forces' Slang 150 Quad, a four-wheel drive, gun-towing vehicle. 1961W. Vaughan-Thomas Anzio vi. 122 The Recce Regiment cars were trying to tuck themselves behind the walls as shelter for the night, a Quad, towing an anti-tank gun, was vainly trying to do the same thing.
▸ quad bike n. a four-wheeled motorized off-road vehicle modelled on a motorcycle, used for sport and recreation.
1988Courier-Mail (Brisbane) 16 Dec. 12/8 Wynnum police are looking for the owners of..a *quad bike. 2002National Trust Mag. Summer 67/2 The cattle have broken out of the field and got into next door—never a dull moment! Roger and I go and round them up—thank goodness for the quad bike.
▪ XII. quad, a.2 and n.8|kwɒd|
A. adj. Abbrev. of quadraphonic a.
1970Sat. Rev. (U.S.) 27 June 56/1 Their new Quadraphonic Processor is an add-on bringing true (and quite well simulated) quad sound to two-channel systems. 1972Observer (Colour Suppl.) 22 Oct. 56/4 The manufacturers have been to great pains to make their quad equipment ‘compatible’. 1976Washington Post 19 Apr. c8/4 (Advt.), ‘Jesus Christ Superstar’ 7:30, 9:30. Shown in quad sound and Big Screen Projection. 1977Listener 20 Oct. 507/3 With quad transmissions now a regular feature of Radio 3, the argument that the BBC cannot afford to extend stereo coverage seems a little thin. 1980Broadcast 7 July 8/3 A 17-year-old 2{pp} quad VTR machine.
B. n.8 Abbrev. of quadraphony.
1971Esquire Nov. 228/2 The necessity of making quad compatible with mono and stereo recordings and broadcasts is probably going to necessitate the use of some system that matrixes the four channels down to one. 1974Radio Times 27 June 5/1 Quad adds a depth and perspective to radio that is missing in stereo. 1975Time Out 15 Aug. 49/3 They give a live electronic concert (in quad) of music by little-known younger composers.
▪ XIII. quad, v.1|kwɒd|
abbrev. of quadruplex v. Hence ˈquadded ppl. a., ˈquadding vbl. n.
1886Pall Mall G. 26 Aug. 11/1 Some lines are ‘quadded’ or quadruplexed. 1914H. Pender Amer. Handbk. Electr. Engineers 1355 Quadded or phantomed cable,..a cable adapted for the use of phantom circuits. 1922[see quad n.6]. 1962Engineering 16 Feb. 245/1 Once insulated, the conductor wires are either twisted into pairs or ‘quadded’ in groups of four. Ibid. 245/2 After twisting or quadding each conductor wire is given a ‘ring through’ test with a bell and battery.
▪ XIV. quad, v.2 Printing.|kwɒd|
[f. quad n.2]
To insert quadrats in (a line of type); to fill with quadrats. Also to quad out.
1888in Jacobi Printers' Vocab.
▪ XV. quad
var. quod n., prison; quede a., bad.
▪ XVI. quad
obs. form of quoth v. |