tapping

English

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tapping

Wikipedia

tapping (countable and uncountable, plural tappings)

An act of making a light hit or strike against something.
- 1897, Bram Stoker, chapter 20, in Dracula, New York, N.Y.: Modern Library, →OCLC:
  As he was speaking there was a soft tapping at the door. I went over and opened it […]
- 2009 June 26, Alastair Macaulay, “Leading the Audience Into Flamenco’s Heart”, in New York Times‎^[1]:
  She has rapid and powerful footwork, but she doesn’t wow you with any special trills or woodpecker tappings.
(music) A guitar technique in which the strings are tapped against the fingerboard
The process by which a resource is tapped or exploited.
- 1938, Paul Burke Jacobs, Harry Paul Newton, Motor Fuels from Farm Products, page 99:
  Competitive tappings of a common oil pool can lead only to waste and overproduction, unless rigidly regulated […]
(electrical engineering) A connection made to some point between the end terminals of a transformer coil or other component.
- 1962 June, “Talking of Trains: Notable new locomotives”, in Modern Railways, page 373:
  The essential feature is that two adjacent transformer tappings are connected to the load simultaneously, each connection having a self-excited transductor in series; […] .

tapping