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Mechanical connection between two objects
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to
Coupling
Topics referred to by the same term
Look up coupling in Wiktionary, the free dictionary. Coupling is a connection or joint between two things. Coupling may also refer to: Coupling (physics)
Coupling_(disambiguation)
Degree of interdependence between software modules
relationships between modules. Coupling is not binary but multi-dimensional. Coupling is usually contrasted with cohesion. Low coupling often correlates with high
Coupling (computer programming)
Coupling_(computer_programming)
Mechanism for connecting rolling stock in a train
A coupling or coupler is a mechanism, typically located at each end of a rail vehicle, that connects them to form a train. The equipment that connects
Railway_coupling
Topics referred to by the same term
Coupling coefficient, or coupling factor, may refer to: Electromechanical coupling coefficient Coupling coefficient (inductors), or coupling factor, between
Coupling_coefficient
Scalar–fermion interaction
In particle physics, the Yukawa coupling or Yukawa interaction, named after Hideki Yukawa, is an interaction between particles according to the Yukawa
Yukawa_coupling
Transfer of energy between circuits
telecommunication, coupling is the transfer of electrical energy from one circuit to another, or between parts of a circuit. Coupling can be deliberate
Coupling_(electronics)
Transfer of energy between circuits
Capacitive coupling is the transfer of energy within an electrical network or between distant networks by means of displacement current between circuit(s)
Capacitive_coupling
System with weakly-associated components
components. Subareas include the coupling of classes, interfaces, data, and services. Loose coupling is the opposite of tight coupling. Components in a loosely
Loose_coupling
Type of coupling used in NMR spectroscopy
nuclear chemistry and nuclear physics, J-couplings (also called spin-spin coupling or indirect dipole–dipole coupling) are mediated through chemical bonds
J-coupling
2000 British TV series
Coupling is a British television sitcom created and written by Steven Moffat that aired on BBC Two and BBC Three from 12 May 2000 to 14 June 2004. Produced
Coupling_(British_TV_series)
Phenomenon with inductive coupling
Resonant inductive coupling or magnetic phase synchronous coupling is a phenomenon with inductive coupling in which the coupling becomes stronger when
Resonant_inductive_coupling
Conductive electrical connection
In electronics, direct coupling or DC coupling (also called conductive coupling and galvanic coupling) is the transfer of electrical energy by means of
Direct_coupling
Design issue in object-oriented programming
In object-oriented programming, sequential coupling (also known as temporal coupling) is a form of coupling where a class requires its methods to be called
Sequential_coupling
Electrical circuit coupling using induction
induction. The amount of inductive coupling between two conductors is measured by their mutual inductance. The coupling between two wires can be increased
Inductive_coupling
Parameter describing the strength of a force
In physics, a coupling constant or gauge coupling parameter (or, more simply, a coupling) is a number that determines the strength of the force exerted
Coupling_constant
Coupling in quantum physics
In quantum mechanics, angular momentum coupling is the procedure of constructing eigenstates of total angular momentum out of eigenstates of separate angular
Angular_momentum_coupling
Chemical reaction that joins diazonium (R–N≡N) to an aromatic compound
In organic chemistry, an azo coupling is a reaction between a diazonium compound (R−N≡N+) and another aromatic compound that produces an azo compound (R−N=N−R’)
Azo_coupling
Connector on the end of a hose
A hose coupling is a connector on the end of a hose to connect (or couple) it with another hose or with a tap or a hose appliance, such as an irrigation
Hose_coupling
Device used to transmit rotating mechanical power
A fluid coupling or hydraulic coupling is a hydrodynamic or 'hydrokinetic' device used to transmit rotating mechanical power. It has been used in automobile
Fluid_coupling
Link between a semi-trailer and the towing truck
fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a
Fifth-wheel_coupling
Cross-coupling reaction between boronic acid & an organohalide
The Suzuki reaction or Suzuki coupling is an organic reaction that uses a palladium complex catalyst to cross-couple a boronic acid to an organohalide
Suzuki_reaction
Chemical reaction
The Negishi coupling is a widely employed transition metal catalyzed cross-coupling reaction. The reaction couples organic halides or triflates with organozinc
Negishi_coupling
In cross-coupling reactions, the component reagents are called cross-coupling partners or simply coupling partners. These reagents can be further classified
Cross-coupling_partner
2026 season of American reality television series
text messages informing them of the latest challenges, dumpings, and re-couplings. The Islanders are limited in their communication with the outside world
Love_Island_USA_season_8
Chemical reaction
Decarboxylative cross coupling reactions are chemical reactions in which a carboxylic acid is reacted with an organic halide to form a new carbon-carbon
Decarboxylative cross-coupling
Decarboxylative_cross-coupling
Cross-coupling reaction used in organic synthesis
The Sonogashira reaction is a cross-coupling reaction used in organic synthesis to form carbon–carbon bonds. It employs a palladium catalyst as well as
Sonogashira_coupling
Abrupt change in an aircraft's roll due to fuselage inertia
In aeronautics, inertia coupling, also referred to as inertial coupling and inertial roll coupling, is a potentially catastrophic phenomenon of high-speed
Inertia_coupling
Interaction between electronic and nuclear vibrational motion in a molecule
Vibronic coupling (also called nonadiabatic coupling or derivative coupling) in a molecule involves the interaction between electronic and nuclear vibrational
Vibronic_coupling
Two systems are coupled if they are interacting with each other
In physics, coupling is when two objects are interacting with each other, that is they are not independent. In classical mechanics, coupling is a connection
Coupling_(physics)
Component transferring torque between shafts
are also known as magnetic drive couplings, magnetic shaft couplings, or magnetic disc couplings. Magnetic couplings allow a physical separation between
Magnetic_coupling
The electromechanical coupling coefficient is a numerical measure of the conversion efficiency between electrical and acoustic energy in piezoelectric
Electromechanical coupling coefficient
Electromechanical_coupling_coefficient
Proof technique in probability theory
In probability theory, coupling is a proof technique that allows one to compare two unrelated random variables (distributions) X and Y by creating a random
Coupling_(probability)
Type of railway coupler able to couple to two different types of couplers
a screw coupling within a knuckle coupler: the knuckle coupler remains in position and does not swing away when not in use. The screw coupling is mounted
Dual_coupling
Coupling is a BBC Television sitcom. Written by Steven Moffat, it is based on his relationship with Sue Vertue, the show's producer. Martin Dennis directed
List_of_Coupling_episodes
2025 season of Love Island USA
messages informing them of the latest challenges, dates, dumpings, and re-couplings. While the Islanders might appear to have unmediated access to the outside
Love_Island_USA_season_7
Form of nervous system communication
Look up ephaptic in Wiktionary, the free dictionary. Ephaptic coupling is a form of communication within the nervous system that is distinct from direct
Ephaptic_coupling
Cross coupling reaction in organic chemistry
In organic chemistry, the Kumada coupling is a type of cross coupling reaction, useful for generating carbon–carbon bonds by the reaction of a Grignard
Kumada_coupling
Train buffer with couplings
The balance lever coupling, also known as rocking lever coupling or compensating coupling, is a type of central buffer coupling that has found widespread
Balance_lever_coupling
In the term mode coupling, as used in physics and electrical engineering, the word "mode" refers to eigenmodes of an idealized, "unperturbed", linear system
Mode_coupling
Fixture which constrains all degrees of freedom of a part
Kinematic coupling describes fixtures designed to exactly constrain the part in question, providing precision and certainty of location. A canonical example
Kinematic_coupling
Field theory coupling of charge but not higher moments
In analytical mechanics and quantum field theory, minimal coupling refers to a coupling between fields which involves only the charge distribution and
Minimal_coupling
Electrical transmission without physical connection
using inductive coupling between coils of wire, or by electric fields using capacitive coupling between metal electrodes. Inductive coupling is the most widely
Wireless_power_transfer
Type of reaction in organic chemistry
In organic chemistry, a coupling reaction is a type of reaction in which two reactant molecules are bonded together. Such reactions often require the aid
Coupling_reaction
Integration of energy sectors
Sector coupling or sector integration is a concept in which electricity produced from renewable energy sources is used to substitute fossil fuels within
Sector_coupling
Self-sealing symmetrical coupling for fire-fighting hose
A DSP coupling is a self-sealing symmetrical coupling which is secured by inter-connecting two couplings together. It is closed by turning the locking
DSP_coupling
Type of coupling
A Schmidt coupling is a type of coupling designed to accommodate large radial displacement between two shafts. Consisting of an arrangement of links and
Schmidt_coupling
Bibliographic coupling, like co-citation, is a similarity measure that uses citation analysis to establish a similarity relationship between documents
Bibliographic_coupling
Chemical reaction in which two molecules are joined due to a metal catalyst
a cross-coupling reaction is a reaction where two different fragments are joined. Cross-couplings are a subset of the more general coupling reactions
Cross-coupling_reaction
Chemical reaction
The Hiyama coupling is a palladium-catalyzed cross-coupling reaction of organosilanes with organic halides used in organic chemistry to form carbon–carbon
Hiyama_coupling
Energy loss between circuit components
Coupling loss, also known as connection loss, is the loss that occurs when energy is transferred from one circuit, circuit element, or medium to another
Coupling_loss
Short length of pipe which allows two other pipes to be joined
In piping and plumbing, a coupling (or coupler) is a very short length of pipe or tube, with a socket at one or both ends that allows two pipes or tubes
Coupling_(piping)
Effect on quantum mechanics in which quantum systems are bound
term quantum coupling does not have a universally accepted definition in scientific literature—unlike quantum entanglement or the coupling constant—it
Quantum_coupling
as the Lepidoptera, have developed a wide variety of morphological wing coupling mechanisms in the imago which render these taxa as "functionally dipterous"
Wing_coupling
Chemical reaction
The A3 coupling (also known as A3 coupling reaction or the aldehyde-alkyne-amine reaction), coined by Prof. Chao-Jun Li of McGill University, is a type
A3_coupling_reaction
Oxidative coupling in chemistry is a coupling reaction of two molecular entities through an oxidative process. Usually oxidative couplings are catalysed
Oxidative_coupling
Type of chemical reaction
The Chan–Lam coupling reaction, also known as the Chan–Evans–Lam coupling, is a cross-coupling reaction between an aryl boronic acid and an alcohol or
Chan–Lam_coupling
Activation of tension-generating sites in muscle
to contract. In skeletal muscles, excitation–contraction coupling relies on a direct coupling between two key proteins, the sarcoplasmic reticulum (SR)
Muscle_contraction
Plasmon coupling is a phenomenon that occurs when two or more plasmonic particles approach each other to a distance below approximately one diameter's
Plasmon_coupling
villa. ^Note 1: On Day 2, George and Yasmin arrived after the initial coupling. They were told that in 24 hours they would have dump a boy and a girl
Love Island (2015 TV series) series 13
Love_Island_(2015_TV_series)_series_13
Method to identify covarying pairs of amino acids in proteins
Statistical Coupling Analysis (SCA) is a method used in bioinformatics to study how pairs of amino acids in a protein sequence evolve together. It analyzes
Statistical_coupling_analysis
U.S. TV series
Coupling is an American sitcom television series, a remake of the British show of the same title, which aired on NBC from September 25 to October 23, 2003
Coupling_(American_TV_series)
Automatic railway coupling
Digital automatic coupling (DAC) is a type of railway coupling developed in the 2020s to replace buffers and chain couplers, initially in Europe. It resembles
Digital_automatic_coupling
Chemical reaction in organic chemistry
The Glaser coupling is a type of coupling reaction. It is by far one of the oldest coupling reactions and is based on copper compounds like copper(I) chloride
Glaser_coupling
Rod connecting driving wheels of a locomotive
A coupling rod or side rod connects the driving wheels of a locomotive. Steam locomotives in particular usually have them, but some diesel and electric
Coupling_rod
Chemical reaction
The Fukuyama coupling is a coupling reaction taking place between a thioester and an organozinc halide in the presence of a palladium catalyst. The reaction
Fukuyama_coupling
An S and S coupling also known as a bicycle torque coupling (BTC) is a coupling which enables bicycle frames to be separated into smaller pieces, usually
Bicycle_torque_coupling
Dimensionless number that quantifies the strength of the electromagnetic interaction
independent of the system of units used, which is related to the strength of the coupling of an elementary charge e with the electromagnetic field, by the formula
Fine-structure_constant
2024 season of Love Island USA
text messages informing them of the latest challenges, dumpings, and re-couplings. While the Islanders might appear to have unmediated access to the outside
Love_Island_USA_season_6
Dimensionless parameter
The coupling coefficient of resonators is a dimensionless value that characterizes interaction of two resonators. Coupling coefficients are used in resonator
Coupling coefficient of resonators
Coupling_coefficient_of_resonators
In atomic physics, close coupling is a quantum mechanics method to calculate the multi-electronic atomic and molecular structure from fine structure to
Close_coupling
Chemical reaction
Oxidative coupling of phenols is a chemical reaction wherein two phenolic compounds are coupled via an oxidative process. Oxidative phenol couplings are often
Oxidative_coupling_of_phenols
Type of railcar coupler
system Length over headstocks Multi-function couplers Railway coupling Railway coupling by country Rotary car dumper Safety of tank cars Slack action
Tightlock_coupling
Fluid coupling that transfers rotating power from a prime mover to a rotating driven load
A torque converter is a device, usually implemented as a type of fluid coupling, that transfers rotating power from a prime mover, like an internal combustion
Torque_converter
Disturbance in an electrical circuit due to external sources of radio waves
affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction. The disturbance may degrade the performance of the circuit
Electromagnetic_interference
Chemical reaction for synthesizing C–N bonds
bonds via the palladium-catalyzed coupling reactions of amines with aryl halides. Although Pd-catalyzed C–N couplings were reported as early as 1983, Stephen
Buchwald–Hartwig_amination
English actress (born 1971)
appeared in British series including Armstrong and Miller, Smack the Pony, Coupling, The Worst Week of My Life, Green Wing, Marley's Ghosts and Jonathan Creek
Sarah_Alexander
Mechanical coupling
In mechanical engineering, a jaw coupling is a type of general purpose power transmission coupling that also can be used in motion control (servo) applications
Jaw_coupling
The Murahashi Coupling is a cross coupling reaction. The coupling partners are organolithiums and organic halides. Transition metal catalysts are required
Murahashi_coupling
Coupling for railway vehicles
Buffers and chain couplers (or couplings) – also known as "buffers and screw", "screw", and "screwlink" – are the de facto International Union of Railways
Buffers_and_chain_coupler
Technique to study materials that have unpaired electrons
to chemical shift), anisotropy (asymmetry), hyperfine coupling constants (analogous to coupling constant J), and relaxation times. EPR was first observed
Electron paramagnetic resonance
Electron_paramagnetic_resonance
American manufacturer and supplier of hose fittings and accessories
Dixon Valve & Coupling Company is an American manufacturer and supplier of hose fittings and accessories. The company, often referred to as just Dixon
Dixon Valve & Coupling Company
Dixon_Valve_&_Coupling_Company
Exactly solvable model of coupled oscillators
model. The model makes several assumptions, including that there is weak coupling, that the oscillators are identical or nearly identical, and that interactions
Kuramoto_model
Threaded fastener for joining two male threads
A coupling nut, also known as extension nut, is a threaded fastener for joining two male threads, most commonly a threaded rod, but also pipes. The outside
Coupling_nut
Chemical reaction used in organic synthesis
chemical reaction widely used in organic synthesis. The reaction involves the coupling of two organic groups, one of which is carried as an organotin compound
Stille_reaction
Rovibronic coupling, also known as rotation/vibration-electron coupling, denotes the simultaneous interactions between rotational, vibrational, and electronic
Rovibronic_coupling
Railroad coupling system
A Norwegian coupling or coupler (also known colloquially as a chopper coupling or claw hammer coupling), is a manually operated coupling at each end of
Norwegian_coupling
In organic chemistry, phosphonium coupling is a cross-coupling reaction for organic synthesis. It is a mild, efficient, chemoselective and versatile methodology
Phosphonium_coupling
Wouthuysen–Field coupling, or the Wouthuysen–Field effect, is a mechanism that couples the excitation temperature, also called the spin temperature, of
Wouthuysen–Field_coupling
Organic chemical reaction
A pinacol coupling reaction is an organic reaction in which a carbon–carbon bond is formed between the carbonyl groups of an aldehyde or a ketone in presence
Pinacol_coupling_reaction
Organic chemical reaction
The Liebeskind–Srogl coupling reaction is an organic reaction forming a new carbon–carbon bond from a thioester and a boronic acid using a metal catalyst
Liebeskind–Srogl_coupling
Measurand in NMR spectroscopy
The residual dipolar coupling between two spins in a molecule occurs if the molecules in solution exhibit a partial alignment leading to an incomplete
Residual_dipolar_coupling
Automatic coupling system for rail freight
Automatic Coupling (DAC) is an advanced coupling system designed for the automatic connection of freight wagons. Unlike traditional screw couplings, the DAC
Digital_Automatic_Coupling
Property of electrical conductors
unwanted coupling between conductors in a circuit. The mutual inductance, M i j {\displaystyle M_{ij}} , is also a measure of the coupling between two
Inductance
The Geislinger coupling is an all-metal coupling for rotating shafts. It is elastic in torsion, allowing it to absorb torsional vibration. Unlike some
Geislinger_coupling
Chemical reaction
The Castro–Stephens coupling is a cross coupling reaction between a copper(I) acetylide and an aryl halide in pyridine, forming a disubstituted alkyne
Castro–Stephens_coupling
Family of organopalladium compounds
investigated for applications in homogeneous catalysis, particularly cross-coupling reactions. The synthesis of Pd-NHC complexes follows the methods used for
Palladium–NHC_complex
Type of field where the net flow of electromagnetic energy is zero
direction in this case). Especially in optics, evanescent-wave coupling refers to the coupling between two waves due to physical overlap of what would otherwise
Evanescent_field
Mainframe computer hardware
In IBM System/390 and IBM Z mainframe computers, a Coupling Facility or CF is a piece of computer hardware or virtual machine that coordinates multiple
Coupling_Facility
2019 season of Love Island USA
text messages informing them of the latest challenges, dumpings, and re-couplings. While the Islanders might appear to have unmediated access to the outside
Love_Island_USA_season_1
COUPLING
COUPLING
COUPLING
COUPLING
Female
English
English name derived from Latin amicitia, AMICE means "friendship."
Boy/Male
Muslim
Related, Said of
Male
Greek
(ΘεÏάπων) Ancient Greek name THERAPON means "servant; worshiper."
Female
Vietnamese
Vietnamese name KIM CUC means "golden chrysanthemum."
Male
Greek
(Ἰώβ) Greek form of Hebrew Iyowb, IOB means "hated, oppressed." In the bible, this is the name of a patient man who was severely tested by God.
Boy/Male
Tamil
Immortal God
Girl/Female
Arabic, Australian, Muslim, Sindhi
Great
Boy/Male
Indian, Telugu
Lord Ganesha
Girl/Female
Tamil
Cloud
Girl/Female
Australian, Christian, French
Happy
COUPLING
COUPLING
COUPLING
COUPLING
COUPLING
n.
An openmouthed bar at the end of a car, which receives a coupling link and pin by which the car is drawn. It is usually provided with a spring to give elasticity to the connection between the cars of a train.
n.
A coupling pin. See under Coupling.
n.
The coupling together of different feet; as, in Greek verse, an iambic syzygy.
n.
The act of coupling or joining; union; conjunction.
n.
A bar of iron with an eye at each end, or a heavy link, for coupling a locomotive to a tender or car.
n.
A device which is used for coupling shafting, etc., so as to transmit motion, and which may be disengaged at pleasure.
n.
A bar, pin or wedge, to secure a crank, pulley, coupling, etc., upon a shaft, and prevent relative turning; sometimes holding by friction alone, but more frequently by its resistance to shearing, being usually embedded partly in the shaft and partly in the crank, pulley, etc.
n.
A coupling pin. See under Coupling.
n.
Union; combination; a coupling; a pair.
n.
The cap or coupling of a flail, through which the thongs pass which connect the handle and swingel.
n.
An apparatus for coupling two octave notes, capable of being attached to a keyed instrument.
n.
A device or contrivance which serves to couple or connect adjacent parts or objects; as, a belt coupling, which connects the ends of a belt; a car coupling, which connects the cars in a train; a shaft coupling, which connects the ends of shafts.
n.
An iron instrument having a jaw to fit a nut or the head of a bolt, and used as a lever to turn it with; a wrench; specifically, a wrench for unscrewing or tightening the couplings of hose.
n.
The act of bringing or coming together; connection; sexual union.
n.
The act of coupling, or the state of being coupled; union.
n.
A short sled, mostly used as one of a pair connected by a reach or coupling; also, the compound sled so formed.
v. t.
The portion of a half-coupling fastened to the end of a hose.
p. pr. & vb. n.
of Couple