couplern.

Brit.

/ˈkʌplə/, U.S.

/ˈkəplər/

Etymology: < couple v. + -er suffix¹.

1. One that couples; spec. one whose business it is to couple railway carriages or trucks.

ΘΚΠ

the world > relative properties > wholeness > mutual relation of parts to whole > fact or action of being joined or joining > [noun] > fact or act of being coupled or coupling together > one who couples or yokes together

coupler1552

matcher1682

yoker1731

society > travel > rail travel > railway worker > [noun] > one in charge of coupling carriages

coupler1885

1552 R. Huloet Abcedarium Anglico Latinum Coupler, copulator.

1748 T. Smollett Roderick Random I. xi. 79 No such creature as you neither—no ten pound sneaker—no quality coupler.

1774 T. Pennant Tour Scotl. 1772 (1790) II. 95 Those infamous couplers despise the fulminations of the Kirk.

1885 Manch. Examiner 15 May 5/7 Couplers [of railway carriages or trucks] ..expose themselves to danger in shunting operations.

2. A thing that couples or links together. spec.

a. In an organ: A contrivance for connecting two manuals, or a manual with the pedals, or two keys an octave apart on the same keyboard, so that both can be played by a single motion.

ΘΚΠ

the world > relative properties > wholeness > mutual relation of parts to whole > fact or action of being joined or joining > [noun] > fact or act of being coupled or coupling together > that which

coupling1549

couplet1601

couplement1622

coupler1668

society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [noun] > coupler

pedal-coupler1834

coupler1840

copula1852

pedal-copula1852

polychord1858

octave coupler1868

sforzando coupler1876

tumbler-coupler1876

ram-coupler1881

coupling-

1668 N. Culpeper & A. Cole tr. T. Bartholin Anat. (new ed.) iii. viii. 144 The Orbicular Muscle only moves the upper Eye-lid, and doth but embrace the lower, and knit it as a coupler.

1840 Penny Cycl. XVI. 492/1 These several parts, or organs, when brought together by stops, called couplers, give to the keys of the great organ the command of every pipe in the instrument.

1871 Pall Mall Gaz. 29 Mar. 8 The organ..is fitted with 125 stops and 32 couplers.

b. (See quot. 1874) Also = coupling n.

ΚΠ

1874 E. H. Knight Pract. Dict. Mech. Coupler..2. The ring which slips upon the handles of a crucible tongs, or a nipping-tool of any kind. Also called reins.

c. Zoology. A plate joining two opposite swimming appendages of a crustacean.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > abdominal appendage > plate joining

coupler1897

1897 T. J. Parker & W. A. Haswell Text-bk. Zool. I. 530 The first four thoracic appendages bear biramous swimming feet.., those of the right and left sides being connected by transverse plates or couplers.

d. Photography. (See quots.)

ΘΚΠ

society > leisure > the arts > visual arts > photography > chemicals > [noun] > others

accelerator1843

nitroglucose1852

restrainer1865

medium1867

intensifier1883

stop bath1898

opaque1908

bleacher1911

coupler1938

wash1953

1938 Brit. Jrnl. Photogr. 85 628/1 The dyestuffs forming the images are in all cases produced by the effect of an oxidising agent on a mixture of a suitable agent and coupler... In some instances the developer and the coupler may be identical.

1944 J. S. Friedman Hist. Color Photogr. xi. 127 The true problem..is not the inability to obtain uniform dispersions of the couplers throughout the emulsion, but to prevent the couplers in one emulsion layer from wandering over into a neighboring layer.

1957 R. W. G. Hunt Reprod. Colour v. 45 Instead of letting the oxidized developer react with the gelatin of the emulsion, a coupler is present in the developer (or in the emulsion layer) and this reacts with the oxidized developing agent to form an insoluble dye.

1966 D. M. Avedon Gloss. Terms Microphotogr. (ed. 4) 13 In a diazo material the coupler is a compound which combines with the unexposed diazonium salt to form the visible dye image.

e. In full acoustic coupler. A modem for converting digital signals from a computer into an audible sound signal and vice versa so that they can be transmitted and received over telephone lines; spec. a sound-absorbent cradle, incorporating a microphone and loudspeaker, into which a telephone handset is placed.

ΘΚΠ

society > computing and information technology > hardware > peripherals > [noun] > modem

dataset1958

modem1958

coupler1968

internal modem1979

society > communication > telecommunication > [noun] > signal > modulation > modulator

modulator1919

pulse modulator1952

modem1958

coupler1968

1968 N.Y. Times 26 June 70 Each client will get a portable teletype and a thing called an ‘acoustic data coupler’ that allows the teletype to send messages to a computer over any old telephone.

1969 Mechanised Accounting Oct. 9/1 The Post Office has agreed to the introduction of suitably approved acoustic couplers, devices capable of turning almost any modern telephone into a data transmission terminal.

1978 Pract. Computing July–Aug. 56/2 The coupler converts pulses of sound.

1984 Daily Tel. 24 Apr. 16/4 Comtec Data Systems is selling the machine and acoustic coupler (on which you rest the telephone handset for communications) as a package in a handsome briefcase for £397.

Draft additions 1993

c. = coupling n. 6b.

ΘΚΠ

society > travel > rail travel > rolling stock > [noun] > locomotive > coupling-rod connecting wheels

parallel rod1813

connecting rod1839

coupling-rod1869

coupling1874

coupler1879

1879 Car-Builder's Dict. 48/1 Coupler... In relation to cars the term usually designates the appliances for coupling or connecting cars together.

1898 R. Kipling Day's Work 251 His brake-pump panting forty to the minute, his front coupler lying sideways on his cow-catcher, like a tired dog's tongue in his mouth.

1960 Times 7 Dec. 23/7 Automatic couplers and other items needed to give maximum control on fast and heavy trains.

1984 Comprehensive Railroad Dict. (‘Railway Age’) 44 A manual operation is necessary to uncouple two cars whose couplers are locked together.

e. A device that enables oscillatory energy to be transferred from one electric or electromagnetic device to another, esp. other than by physical connection.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > coupler

coupler1914

vario-coupler1922

optocoupler1973

1914 R. Stanley Text-bk. Wireless Telegr. xi. 135 The jigger, or two-coil coupler, gives the sharpest tuning, and thus best avoids interference with, or by, other stations.

1924 Harmsworth's Wireless Encycl. I. 547/1 A disadvantage with the loose coupler method of tuning lies in the dead end effects of the wire not actually used in the tuning circuit, but still directly coupled to it.

1950 W. C. Johnson Transmission Lines & Networks vii. 188 A directional coupler is a device that couples a measuring instrument or an auxiliary line only to the wave traveling in one direction along the main line.

1982 Giant Bk. Electronics Projects vi. 279 If you use a coupler, detector and oscilloscope to tune up the rig, you may note a 15 to 20 MHz oscillation on the signal.

1987 Flight Internat. 10 Oct. 42/1 Connectorless inductive couplers, one per seat row, were used to pick up the transmission of information.

This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2022).

单词	coupler
释义	couplern. Brit. /ˈkʌplə/, U.S. /ˈkəplər/ Etymology: < couple v. + -er suffix¹. 1. One that couples; spec. one whose business it is to couple railway carriages or trucks. ΘΚΠ the world > relative properties > wholeness > mutual relation of parts to whole > fact or action of being joined or joining > [noun] > fact or act of being coupled or coupling together > one who couples or yokes together coupler1552 matcher1682 yoker1731 society > travel > rail travel > railway worker > [noun] > one in charge of coupling carriages coupler1885 1552 R. Huloet Abcedarium Anglico Latinum Coupler, copulator. 1748 T. Smollett Roderick Random I. xi. 79 No such creature as you neither—no ten pound sneaker—no quality coupler. 1774 T. Pennant Tour Scotl. 1772 (1790) II. 95 Those infamous couplers despise the fulminations of the Kirk. 1885 Manch. Examiner 15 May 5/7 Couplers [of railway carriages or trucks] ..expose themselves to danger in shunting operations. 2. A thing that couples or links together. spec. a. In an organ: A contrivance for connecting two manuals, or a manual with the pedals, or two keys an octave apart on the same keyboard, so that both can be played by a single motion. ΘΚΠ the world > relative properties > wholeness > mutual relation of parts to whole > fact or action of being joined or joining > [noun] > fact or act of being coupled or coupling together > that which coupling1549 couplet1601 couplement1622 coupler1668 society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [noun] > coupler pedal-coupler1834 coupler1840 copula1852 pedal-copula1852 polychord1858 octave coupler1868 sforzando coupler1876 tumbler-coupler1876 ram-coupler1881 coupling- 1668 N. Culpeper & A. Cole tr. T. Bartholin Anat. (new ed.) iii. viii. 144 The Orbicular Muscle only moves the upper Eye-lid, and doth but embrace the lower, and knit it as a coupler. 1840 Penny Cycl. XVI. 492/1 These several parts, or organs, when brought together by stops, called couplers, give to the keys of the great organ the command of every pipe in the instrument. 1871 Pall Mall Gaz. 29 Mar. 8 The organ..is fitted with 125 stops and 32 couplers. b. (See quot. 1874) Also = coupling n. ΚΠ 1874 E. H. Knight Pract. Dict. Mech. Coupler..2. The ring which slips upon the handles of a crucible tongs, or a nipping-tool of any kind. Also called reins. c. Zoology. A plate joining two opposite swimming appendages of a crustacean. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > abdominal appendage > plate joining coupler1897 1897 T. J. Parker & W. A. Haswell Text-bk. Zool. I. 530 The first four thoracic appendages bear biramous swimming feet.., those of the right and left sides being connected by transverse plates or couplers. d. Photography. (See quots.) ΘΚΠ society > leisure > the arts > visual arts > photography > chemicals > [noun] > others accelerator1843 nitroglucose1852 restrainer1865 medium1867 intensifier1883 stop bath1898 opaque1908 bleacher1911 coupler1938 wash1953 1938 Brit. Jrnl. Photogr. 85 628/1 The dyestuffs forming the images are in all cases produced by the effect of an oxidising agent on a mixture of a suitable agent and coupler... In some instances the developer and the coupler may be identical. 1944 J. S. Friedman Hist. Color Photogr. xi. 127 The true problem..is not the inability to obtain uniform dispersions of the couplers throughout the emulsion, but to prevent the couplers in one emulsion layer from wandering over into a neighboring layer. 1957 R. W. G. Hunt Reprod. Colour v. 45 Instead of letting the oxidized developer react with the gelatin of the emulsion, a coupler is present in the developer (or in the emulsion layer) and this reacts with the oxidized developing agent to form an insoluble dye. 1966 D. M. Avedon Gloss. Terms Microphotogr. (ed. 4) 13 In a diazo material the coupler is a compound which combines with the unexposed diazonium salt to form the visible dye image. e. In full acoustic coupler. A modem for converting digital signals from a computer into an audible sound signal and vice versa so that they can be transmitted and received over telephone lines; spec. a sound-absorbent cradle, incorporating a microphone and loudspeaker, into which a telephone handset is placed. ΘΚΠ society > computing and information technology > hardware > peripherals > [noun] > modem dataset1958 modem1958 coupler1968 internal modem1979 society > communication > telecommunication > [noun] > signal > modulation > modulator modulator1919 pulse modulator1952 modem1958 coupler1968 1968 N.Y. Times 26 June 70 Each client will get a portable teletype and a thing called an ‘acoustic data coupler’ that allows the teletype to send messages to a computer over any old telephone. 1969 Mechanised Accounting Oct. 9/1 The Post Office has agreed to the introduction of suitably approved acoustic couplers, devices capable of turning almost any modern telephone into a data transmission terminal. 1978 Pract. Computing July–Aug. 56/2 The coupler converts pulses of sound. 1984 Daily Tel. 24 Apr. 16/4 Comtec Data Systems is selling the machine and acoustic coupler (on which you rest the telephone handset for communications) as a package in a handsome briefcase for £397. Draft additions 1993 c. = coupling n. 6b. ΘΚΠ society > travel > rail travel > rolling stock > [noun] > locomotive > coupling-rod connecting wheels parallel rod1813 connecting rod1839 coupling-rod1869 coupling1874 coupler1879 1879 Car-Builder's Dict. 48/1 Coupler... In relation to cars the term usually designates the appliances for coupling or connecting cars together. 1898 R. Kipling Day's Work 251 His brake-pump panting forty to the minute, his front coupler lying sideways on his cow-catcher, like a tired dog's tongue in his mouth. 1960 Times 7 Dec. 23/7 Automatic couplers and other items needed to give maximum control on fast and heavy trains. 1984 Comprehensive Railroad Dict. (‘Railway Age’) 44 A manual operation is necessary to uncouple two cars whose couplers are locked together. e. A device that enables oscillatory energy to be transferred from one electric or electromagnetic device to another, esp. other than by physical connection. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > coupler coupler1914 vario-coupler1922 optocoupler1973 1914 R. Stanley Text-bk. Wireless Telegr. xi. 135 The jigger, or two-coil coupler, gives the sharpest tuning, and thus best avoids interference with, or by, other stations. 1924 Harmsworth's Wireless Encycl. I. 547/1 A disadvantage with the loose coupler method of tuning lies in the dead end effects of the wire not actually used in the tuning circuit, but still directly coupled to it. 1950 W. C. Johnson Transmission Lines & Networks vii. 188 A directional coupler is a device that couples a measuring instrument or an auxiliary line only to the wave traveling in one direction along the main line. 1982 Giant Bk. Electronics Projects vi. 279 If you use a coupler, detector and oscilloscope to tune up the rig, you may note a 15 to 20 MHz oscillation on the signal. 1987 Flight Internat. 10 Oct. 42/1 Connectorless inductive couplers, one per seat row, were used to pick up the transmission of information. This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2022). < n.1552
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