Definition of coupling in English:

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Pronunciation: /ˈkʌplɪŋ/


Image of coupling
1A device for connecting parts of machinery: undo the couplings so you can lift the pump out
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  • Metal from valves, couplings, and other machinery can contaminate solar cells as they are grown from molten silicon, cut into wafers, and finished by adding dopants and attaching contacts.
  • The uses of medium carbon-manganese steels include shafts, axles, gears, crankshafts, couplings and forgings.
  • Each track is driven by a separate hydraulic circuit consisting of one variable-displacement piston pump connected by hose and couplings to a piston motor.
1.1A fitting on the end of a railway vehicle for connecting it to another: a train with couplings of the continental pattern
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  • I confirmed the coupling and brake hose connection, and noted that the cables were not in place.
  • The force was such that the train broke one of its couplings and split into two.
  • But the diesel kept going, because the hostler, not being a trainman, had never thought of trying the coupling.
2 [mass noun] The pairing of two items: the coupling of tribunals with ministerial enquiries
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  • Are photography and surrealism such an ‘unnatural coupling,’ as one observer has recently suggested?
  • The external device and the implant under the scalp come together by magnetic coupling.
  • This is only achieved by coupling great writing with great delivery.
2.1An interaction between two electrical components by electromagnetic induction, electrostatic charge, or optical link: mutually inductive coupling
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  • Other techniques of electrical stimulation involve capacitive coupling and inductive coupling pulsed electromagnetic stimulation.
  • The effect of electrical coupling on the impedance is shown in Figure 8.
  • High power at high frequency provides inductive coupling and direct soil induction that will bridge or jump across an open or damaged cable.
3 [mass noun] The action of mating or having sexual intercourse.
Example sentences
  • This capacity, when combined with coupling between peak sexual desire and peak fertility, ensures that sex effectively serves both reproductive and social ends.
  • An early night allows for uninhibited intimate bodily coupling without worry of being overheard by a child.
  • We now turn to the question of the effect of these national differences in the forms of coupling and number of partners on sexual activity itself.
4Two people in a romantic relationship; a couple.
Example sentences
  • But if this coupling truly is a marriage made in heaven, the real honeymoon period has been the past two decades.
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