Meaning of COUPLING in English

The desirable or undesirable transfer of energy from one medium , such as a metallic wire or an optical fiber , to another like medium, including fortuitous transfer. ( 188 ) Note: Examples of coupling include capacitive (electrostatic) coupling, inductive (magnetic) coupling, conducted (resistive or hard-wire) coupling, and fiber-optic coupling.

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.