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单词 quad
释义

quadn.1

Brit. /kwɒd/, U.S. /kwɑd/
Forms: 1700s quad. (with point), 1800s– quad.
Origin: Formed within English, by clipping or shortening. Etymon: quadrat n.
Etymology: Shortened < quadrat n. (originally as a graphic abbreviation).
Typography.
In letterpress printing: = quadrat n. 2 (now chiefly historical). Later also (in desktop publishing and filmsetting): a keyboard command which aligns an incomplete line of text with the left or right margin, or centrally, usually as designated (see quot. 1986). In quot. 1884 figurative: a joke which ‘fills in’ the time.In letterpress printing quad is now more commonly used than quadrat. See also em quad at em n., en quad at en n.
ΘΚΠ
society > communication > printing > composing equipment > [noun] > spacing material
reglet1636
space1676
headstick1683
quadrat1683
quotation1683
rule1683
space1683
quadc1781
spacer1857
mutton1938
c1781 B. Franklin Inventory Contents Boxes Printing Lett. in Papers (1998) XXXIV. 322 Bourgeois Roman, with Quads. & Spaces.
1847 Daily Sentinel & Gaz. (Milwaukee, Wisconsin Territory) 20 Jan. A learned dissertation on..folios and signatures, slugs and leads, quotations & quads, composition by the piece and by the day.
1871 Amer. Encycl. Printing 309/2 Mutton Quad, a slang term, in English printing offices, for em quad.
1884 Pall Mall Gaz. 1 Aug. 4/2Quads’ in the present case are a trade term applicable to printers' jokes.
1960 E. G. Shepherd Adv. Typography iv. 53 The use of gauges, or quads, divides the composing stick into smaller measures.
1970 R. K. Kent Lang. Journalism 108 Quad or quadrat, blank spacing material used to indent paragraphs and to space out at the ends of lines.
1986 Computer World (Nexis) 12 Nov. (Desktop Publishing section) 2 Quad left places text flush against the left margin, quad right places text flush against the right margin, and quad center places text an equal distance from either margin.
1997 Brit. Printer (Nexis) Oct. 32 I attended the wakes of two or three letterpress printers around London so that I could beat the scrap man to leads and quads and reglet.
2005 San Jose (Calif.) Mercury News (Nexis) 25 Sept. a1 Here is where you would put the last point you wanted to make. Notice that this point ends with a quad left.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.2

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadrangle n.
Etymology: Shortened < quadrangle n.
colloquial (originally Oxford University slang).
= quadrangle n. 2.
ΘΚΠ
society > inhabiting and dwelling > inhabited place > a building > courtyard > [noun]
court1377
closec1440
quadrant1443
pryelle1480
base court1490
palace1506
quadranglec1543
courtyard1552
palace courta1679
quad1786
under-ward1826
tetrastoön1838
courtlet1844
riad1881
lapa1886
patio1931
1786 H. Headley Poems & Other Pieces 30 To read the lessons oft I've seen the lad, Brushing from broken cap the dust away, Limp with a paper band across the quad.
1820 in Brasenose Ale (1857) 8 When first thy Quad, O Brasenose, sprung from earth.
1861 T. Hughes Tom Brown at Oxf. I. i. 13 The rooms ain't half so large or good in the inner quad.
1884 Pall Mall Gaz. 24 Jan. 3/2 Pump Court—the dreariest of all the Temple quads.
1927 Amer. Mercury Feb. 228/2 Whether his ancient mullions and cloistered quads are exquisite and whether his moulding traditions are digestible to the American are matters of no importance to him.
1936 W. H. Auden Coll. Poems (1976) iii. 98 And through the quads dogmatic words rang clear, ‘Good poetry is classic and austere.’
1995 D. M. Flinn Fearful Summons 128 Kirk and McCoy strolled across the grassy quad on their way to a lunch.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.3

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadruped n.
Etymology: Shortened < quadruped n.
Now rare.
A horse. Cf. quadruped n. 1b.
ΘΚΠ
the world > animals > mammals > group Ungulata (hoofed) > family Equidae (general equines) > equus caballus or horse > [noun]
horsec825
blonkOE
brockc1000
mareOE
stota1100
caplec1290
foala1300
rouncyc1300
scot1319
caballc1450
jade1553
chival1567
prancer1567
ball1570
pranker1591
roussin1602
wormly1606
cheval1609
sonipes1639
neigher1649
quadruped1660
keffel1699
prad1703
jig1706
hoss1815
cayuse1841
yarraman1848
quad1854
plug1860
bronco1869
gee-gee1869
quadrupedant1870
rabbit1882
gee1887
neddy1887
nanto1889
prod1891
goat1894
skin1918
bang-tail1921
horsy1923
steed-
1854 R. S. Surtees Handley Cross xv. 113 Lend me your quad a minute to go and catch mine upon.
1894 J. D. Astley Fifty Years of my Life I. 97 He was mounted on a sorry old quad.
1934 J. Buchan Free Fishers (1937) iii. 62 These new quads ain't up to the mark, and I'll..report MacKutcheon for bad hosses.
1947 S. Sassoon Weald of Youth 75 And now, having given my old quad a good ‘write up’, I must ask the reader to accompany me to the enclosure.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.4

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadruplet n.
Etymology: Shortened < quadruplet n.
colloquial.
= quadruplet n. (in various senses).
ΘΚΠ
the world > relative properties > number > specific numbers > four > [noun] > group of four
quaternionc1384
quadrivial?a1475
messa1529
quaternity1529
quaternio1601
mournival1631
quadrate1637
quaternarya1638
tetrad1653
quadruplet1795
quartetto1807
quatrain1862
quartet1882
quad1896
society > travel > means of travel > a conveyance > vehicle > vehicle propelled by feet > [noun] > cycle > cycle for two or more people > for three, four, etc.
quadruplet1893
triplet1894
quint1895
quintuplet1895
quad1896
quintet1896
sextet1896
sextuplet1896
1896 Daily News 2 June 9/2 Stocks was paced by five triplets and a quad.
1897 Whitaker's Almanack 641/2 A quad team did a flying quarter in 24·6 secs.
1951 M. Abercrombie et al. Dict. Biol. 182 An armadillo (Dasypodus) always has identical quads from a single ovum.
1975 Nature 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.
1992 J. Torrington Swing Hammer Swing! vii. 59 I think they're waiting till the wife's by, just'n case she has quads.
2005 N.Z. Herald (Nexis) 21 Dec. The decisions were framed by the ‘old quad’ of the US, EU, Japan and Canada, determined in the ‘green room’ and communicated to the rest.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.6adj.2

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadruplex n.
Etymology: Shortened < quadruplex n. Compare earlier quad v.2
Telecommunications.
A. n.6
A group of four insulated conductors twisted together, the conductors usually forming two circuits of two wires each. Cf. star quad n. at star n.1 Compounds 5.
ΘΚΠ
society > communication > telecommunication > telegraphy or telephony > [noun] > line
wire1813
line1847
wire line1848
loop1863
landline1865
saddle wire1876
telephone line1877
concentric cable1888
Pupin cable1904
multiple twin1922
quad1922
twisted pair1923
star quad1927
music line1929
coaxial cable1934
coax1945
1922 Bell Syst. Techn. Jrnl. 1 72 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.
1958 J. 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.
1984 R. Trench & E. Hillman London under London vii. 174 Your call..may be transferred to a ‘quad’—four wires which transmit your conversation on ‘carrier’ frequency radio, each ‘quad’ carrying some twenty conversations at once.
2000 B. J. Elliott Cable Engin. Local Area Networks vii. 111 The quads also have to be very accurately made to achieve the desired electrical performance.
B. adj.2
Designating a cable consisting of quads.
ΘΚΠ
society > communication > telecommunication > telegraphy or telephony > [adjective] > types of line
overhouse1859
open1876
quad1931
1931 Electrician 13 Nov. 653/2 It will be of interest to describe the design and manufacture of a recent 1400 pair (700 quad) cable.
1952 Philips Techn. Rev. 14 150/2 Further progress in quad cable development is limited by crosstalk.
2006 Stuff Feb. 119/1 Apple has upped the specs of its IBM Power PC G5s, including a new loony quad-core version.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.7

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadrilateral adj.
Etymology: Shortened < quadrilateral adj.
1. Nautical. A large four-sided jib used on racing yachts. Also more fully quad jib. Now chiefly historical.This sail was developed for the yacht ‘Endeavour’ by the British aircraft manufacturer T. O. M. Sopwith for the America's Cup challenge in 1934, but has since been banned by the authorities governing yacht racing.
ΘΚΠ
society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > sail > [noun] > sail set on a stay > jib or sail set on forestay > types of
marabut1622
flying jib1711
storm-jiba1827
spitfire-jib1858
jib topsail1866
reaching foresail1901
reacher1903
jumbo1912
Yankee1912
Yankee jib1912
Genoa1932
Genoa jib1932
slave1934
quad1937
slave jib1948
masthead genoa1958
1937 Sun (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.
1938 Britannica 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.
1977 I. Dear Enterprise to Endeavour 129/1 It looks as if Velsheda is in the lead though neither her ‘quad’ or staysail are drawing.
2. Radio. More fully quad aerial, quad antenna. An aerial in the form of a square or rectangle broken in the middle of one side.
ΘΚΠ
society > communication > telecommunication > radio communications > radio equipment > [noun] > aerial
radiator1897
aerial wire1899
aerial1902
antenna1902
loop antenna1906
loop aerial1913
twin aerial1913
frame aerial1916
loop1922
beam aerial1926
cage aerial1926
Adcock1928
dipole1929
V antenna1932
beam antenna1935
rig1935
horn1936
whip1940
whip aerial1941
whip antenna1943
polyrod1945
unipole1945
slot aerial1946
slot antenna1946
dish1948
quad1951
V aerial1961
dish aerial1962
rectenna1964
omni-antenna1966
monopole1974
1951 C. Moore U.S. Patent 2,537,191 3 I have chosen to call this antenna a ‘quad’.
1961 Amateur 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.
1976 R. L. Perkowski & L. P. Stral Joy of CB xi. 125 Even greater directionality is achieved with a stacked quad consisting of four elements.
2002 G. Fishbone Investor's Guide Nanotechnol. & Micromachines xiv. 158 If you want to make a quad antenna that will respond at 100 megahertz..the ideal design is..about 123 inches long.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.8

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadriceps n.
Etymology: Shortened < quadriceps n.
colloquial (originally North American).
The quadriceps muscle. Frequently in plural. Also quad muscle.
ΘΚΠ
the world > life > the body > structural parts > muscle > muscles of specific parts > [noun] > muscles of leg
gracilis1615
quadriceps1618
peroneus1638
bicepsa1641
gastrocnemius1676
soleus1676
popliteus1688
sartorius1704
peroneus brevis1707
obturator muscle1726
tailor's muscle1728
subcrureus1793
thigh-muscle1899
quad1958
1958 Muscle Power Feb. 40/2 Quads, those troublesome curves that cause muscleheads to walk with bent knee.
1979 North Hills (Warrendale, Pa.) News Record 13 July d3/5 Starting with 5 pounds lie on your back, set your quad muscles (upper thigh) by tensing them and do straight leg raises to about a 30 degree angle.
1993 M. Cohen Bookseller xi. 157 He moved with plenty of spring, those big quads in his thighs sending him bounding through the air.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.9

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymons: quadplex n., quadruplex n., quadrominium n.
Etymology: Shortened < either quadplex n., quadruplex n., or quadrominium n.
North American colloquial.
= quadplex n.
ΘΚΠ
society > inhabiting and dwelling > inhabited place > a building > types of building generally > [noun] > other types of building
bridge house1319
searching housea1525
folly1591
engine house1626
hut1629
pot gallery1630
pantheon1713
government office1750
enclosure1754
substation1833
art centre1863
centre1884
arts centre1922
quadplex1946
quadruplex1946
bhavan1949
low-rise1965
quad1971
quadrominium1971
see-through1975
common house1989
1971 Valley News (Van Nuys, Calif.) 9 May Each Monticello quadriplex consists of four deluxe living units, with the entire quad priced from $61,850.
1984 Houses & Land in Gatorland 17 Apr. 13/1 (advt.) This quad has the largest and nicest units in town. High rents. Good tenants.
2005 Atlanta Jrnl.-Constit. (Nexis) 3 Mar. 6 jf We tried to get it to be individual units rather than quads and duplexes.
This is a new entry (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.11

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadriplegic n.
Etymology: Shortened < quadriplegic n.
colloquial.
= quadriplegic n.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of internal organs > convulsive or paralytic disorders > [noun] > palsy or paralysis > types of > person
general paralytica1398
hemiplegiac1802
paretic1881
hemiplegic1890
paraplegic1890
tetraplegic1911
quadriplegic1948
para1961
quad1974
1974 Washington Post 10 Mar. a10/1 ‘A large number of the quads would actually die eventually, even if left on the respirator,’ said Gill.
1986 C. M. Nicol in K. Walker Piece of My Heart 293 He had been hit by a ton of shrapnel, and one of them had severed his spinal cord, I guess; he was a quad. He was so up mentally it was just unbelievable.
2005 N.Y. Times (National ed.) 4 Mar. b23/1 Welcome to the world of international ‘quad rugby’, in which quadriplegic athletes ride around in fortified wheelchairs scoring points and smashing into opponents.
This is a new entry (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadn.12

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadrillion n.
Etymology: Shortened < quadrillion n.
A unit of energy equal to 1015 British thermal units (about 1.054 × 1018 joules).
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > [noun] > one thousand watts > large unit
quad1974
1974 Newsweek 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).
1990 C. LaPorta in J. Leggett Global Warming xi. 238 Renewable energy could contribute 14 quads of energy in the United States by the year 2000.
2001 E-Vision 2000 (Science & Technol. Policy Inst., U.S. Dept. of Energy) 347 The weight factors reflect the CO2 emissions per quad of each fuel when burned.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadadj.1n.5

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadruple adj.
Etymology: Shortened < quadruple adj.
colloquial.
A. adj.1
1. = quadruple adj. quad crown n. Printing a size of printing paper which is four times the usual size. quad demy n. Printing = quad crown n.
ΘΚΠ
the world > relative properties > number > specific numbers > four > [adjective] > group of four
foursome15..
tetradic1788
quaternion1814
quad1881
1881 Times 5 Mar. 16/3 Utensils in trade, comprising quad crown Wharfdale machine, three double demy double platten machines, two hydraulic presses, 16-h.p. horizontal engine.
1888 C. T. Jacobi Printers' Vocab. 107 Quad crown, a size of printing paper equalling four crowns.
1891 Star 12 Nov. 1/1 Printing Plant, including..quad crown perfecting machine, quad demy and double demy machines.
1961 Times 30 Oct. (Brit. Posters Suppl.) p. iii/6 Posters ranging from quad-crown to crown-folio.
1967 Electronics 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.
1973 D. Robinson Rotten with Honour 176 How much should I ask him for it?.. I'll try two-fifty and maybe throw in quad stamps.
1989 Guardian 21 Dec. 29/8 Frontier Software is also close to shipping a full V42 quad speed modem with MNP up to Class 5.
1993 MacUser Oct. 112/2 When reading nonaudio data,..quad-speed drives can spin a disc four times as fast.
1995 Leisureways Apr. 9/1 (advt.) Packages begin at $115 per person per night, quad occupancy, and include lodging and unlimited golf.
2000 Driving Mag. Mar. 49/2 Larger 45 litre driver airbags, better brakes and improved lighting from the quad lamp set up.
2. Skiing. Designating a chairlift having seats each of which is capable of carrying four passengers.
ΚΠ
1969 Ironwood (Mich.) Daily Globe 30 July 12/5 With the installation of the quad-chair, the east T-bar has been moved..further east.
1992 G. Thomas Performance Skiing 3 The high-speed detachable quad lift has created a skier who only grudgingly rides a conventional double.
2005 Sunday Herald (Glasgow) (Nexis) 29 Sept. 46 The recent addition of three quad chairlifts..delivers long easy trails from all the main lifts.
B. n.5
1. Originally U.S. A vehicle with four-wheel drive; (later chiefly Military, with capital initial) the Morris C8 Field Artillery Tractor (now historical).
ΘΚΠ
society > travel > means of travel > a conveyance > vehicle > powered vehicle > [noun] > motor vehicle > with four-wheel drive
quad1914
Humvee1982
1914 Atlanta Constit. 28 July 13/7 Interchangeable parts used in construction of the Jeffery quad, together with the fact that the Jeffery engineers have eliminated all cheap material..gives service that cannot be acquired in any other way.
1919 ‘I. Hay’ Last Million (new ed.) xiv. 224 Smaller vehicles of American design, known as ‘Quads’. These possess the unusual feature of a drive upon either axle.
1941 Illustr. 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.
1961 W. 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.
1990 Wheels & Tracks No. 32. 1/2 I..recall the days' production being parked in the streets around the works before being driven off to the coachbuilders: row upon row of MCC Quads and other vehicles.
2002 C. Henry 25-Pounder Field Gun 20 Any photograph of the 25-pounder on the move shows the gun linked to a small trailer that in turn was hooked up to the Quad.
2. = quad bike n. at Compounds.
ΘΚΠ
society > travel > means of travel > a conveyance > vehicle > vehicle propelled by feet > [noun] > cycle > cycle with more than three wheels > cycle with four wheels
quadricycle1869
quad1995
1995 Kay & Co. (Worcester) Catal. Autumn–Winter 1039/2 Power Rangers Quad bike. Powered by a 6 volt rechargeable battery, this quad has a hand throttle and a foot operated brake.
2005 Herald-Times (Bloomington, Indiana) 25 Feb. a7/3 He already owns two dirt bikes and a ‘quad’—the four-wheeled, all-terrain vehicle that common folk call an ATV.
3. Surfing and Windsurfing. A surfboard or sailboard with four fins (fin n.1 Additions).
ΘΚΠ
society > leisure > sport > types of sport or game > water sports except racing > surfing > [noun] > surfboard > types of
paddle-board1785
bellyboard1957
pig-board1959
malibu1962
gun1963
hot dog1963
pop-out1963
sausage board1963
skim-board1965
wakeboard1966
log1967
pintail1967
longboard1970
boogie board1976
bodyboard1979
thruster1982
mini-mal1988
funboard1992
kitesurfer1994
kiteboard1996
quad1999
1999 P. Cliff Sporting Nation 73 We went from single fins..to quads to—I even have a five-fin that works nicely on bigger waves.
2007 Courier Mail (Austral.) (Nexis) 12 Oct. 64 The quads are definitely taking some of the twin-fins' market because some guys didn't click with the twin-fin in the past.
2010 C. Evers Notes for Young Surfer ii. 11 This jargon tells other surfers we are ‘in the know’ about surfboards like thrusters, fishes, twinnies, logs, quads, guns and dogs/pigs.

Compounds

quad bike n. a four-wheeled motorized off-road vehicle modelled on a motorcycle, used for sport and recreation.
ΚΠ
1988 Courier-Mail (Brisbane) 16 Dec. 12/8 Wynnum police are looking for the owners of..a quad bike.
2002 National 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.
quad biking n. the riding of quad bikes, either recreationally or competitively.
ΚΠ
1990 Lloyd's List 21 Sept. 8/2 Participatory sports are one area of the market which have seen a tremendous boost—anything from looping the loop in a Tiger Moth to quad biking, sailing and hot air ballooning.
2001 Navy News Sept. 17/1 A hotel hosted them for an afternoon of activities, including a boat trip on Loch Lomond, swimming, quad biking and archery.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadadj.3n.10

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadraphonic adj.
Etymology: Shortened < quadraphonic adj.
Sound Recording and Broadcasting.
A. adj.3
= quadraphonic adj.
ΘΚΠ
society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > [adjective] > recorded by specific system
taped1892
phonographed1897
acoustic1926
acoustical1926
stereophonic1927
monaural1931
multitracked1931
binaural1933
multitrack1935
tape-recorded1951
telediphoned1952
stereo1954
multi-taped1955
monophonic1958
pretaped1958
mono1960
audiotaped1962
multichannel1962
quarter-track1962
Dolby1966
quadraphonic1968
tetraphonic1969
periphonic1970
quad1970
quadrasonic1970
Dolbyized1971
QS1972
Dolbyed1973
premix1977
quadro1977
1970 Sat. 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.
1972 Observer 22 Oct. (Colour Suppl.) 56/4 The manufacturers have been to great pains to make their quad equipment ‘compatible’.
2001 Total DVD Feb. 69/2 Older movies, music titles, TV titles and low-budget productions may have a soundtrack in mono, stereo, Dolby Pro-Logic.., or even exotic formats such as Quad Surround.
B. n.10
= quadraphony n.
ΘΚΠ
society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > [noun] > systems of
phonography1861
wire recording1933
stereophony1950
half-track1956
stereo1956
stereophonics1958
lip-synchronization1959
mono1959
monophony1959
pretaping1959
over-recording1961
Dolby1966
quadraphonics1968
quadraphony1969
surround sound1969
periphony1970
quad1971
multitrack1972
quadraphonic1972
quadro1972
pseudoquadraphony1975
multitracking1977
vertical recording1982
bitstream1989
1971 Esquire 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.
1974 Radio Times 27 June 5/1 Quad adds a depth and perspective to radio that is missing in stereo.
1980 C. Bishop in P. Gammond & R. Horricks Music goes round & Round v. 111 To start with we issued records in two forms at once, stereo and quad.
2003 Q Spring (Led Zeppelin Special ed.) 87/1 He was asked to prepare the movie sound not in stereo, or even quad, but in ‘quint’ (for a speaker in each corner, apparently, and another behind the big screen).
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadv.1

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by conversion. Etymon: quad n.1
Etymology: < quad n.1
Typography.
transitive. In letterpress printing: to fill (a line of type) with quads (quad n.1). Also (in desktop publishing and filmsetting): to align (an incomplete line of text) with the left or right margin, or centrally, usually as designated (cf. quad n.1). Also with out and intransitive.In quot. 1876 figurative: to fill (a page, etc.) with additional bogus news items; to ‘pad out’.
ΘΚΠ
society > communication > printing > preparatory processes > composing > compose [verb (transitive)] > space > insert quadrats
quad1876
society > leisure > the arts > literature > style of language or writing > copiousness > express copiously [verb (transitive)] > pad
bombast1566
intraverse1607
word1646
pad1831
quad1876
1876 Decatur (Illinois) Daily Republican 7 May 2/5 The Decatur Times being hard up for local matter, ‘quads out’ its starved columns with reports of suppositious meetings, and speeches that were never delivered.
1897 Davenport (Iowa) Daily Leader 22 Sept. 4/5 There are hundreds of pages of rule and figure work..that has been quadded between the lines and the headings so padded that the cost to the state has been practically double what it should have been.
1904 T. L. De Vine Mod. Methods Bk. Composition 459 In quadding out lines use the en quad, em quad, and space-band alternately.
1927 Syracuse (N.Y.) Herald 15 Jan. 22/2 Lines were multiplied by using a few words in each and quadding out the balance, thus increasing the space of the notice.
1960 R. G. Underwood Production & Manufacturing Probl. Amer. University Presses iii. 175 It is most impressive to see this unit operating quietly, changing fonts, point sizes, and leading, justifying, quadding, and centering automatically and at a high rate of speed.
2001 C. Wright 1001 Microsoft Visual C++ Programming Tips Tip 79 Printers say the text is 'quadded left'.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

quadv.2

Brit. /kwɒd/, U.S. /kwɑd/
Origin: Formed within English, by clipping or shortening. Etymon: quadruplex v.
Etymology: Shortened < quadruplex v.
Telecommunications.
transitive. To twist together (insulated conductors) so as to form a quad (quad n.6). Cf. quadded adj., quadruplex v.
ΘΚΠ
society > communication > telecommunication > [verb (transitive)] > render multiplex, etc.
multiplex1885
quadruplex1885
quad1886
octuplex1889
mux1983
1886 Pall Mall Gaz. 26 Aug. 11/1 Some lines are ‘quadded’ or quadruplexed.
1962 Engineering 16 Feb. 245/1 Once insulated, the conductor wires are either twisted into pairs or ‘quadded’ in groups of four.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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