Definition of cat's whisker in English:

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cat's whisker


A fine adjustable wire in a crystal radio receiver.
Example sentences
  • It is made from a coil of wire, a cardboard roll, has an aerial, a crystal (germanium diode), an earplug and a piece of wire called a cat's whisker.
  • It took two burly labourers to manhandle the huge walnut and Bakelite tuner onto the Lilo, but within hours the valves had warmed up, and the cat's whisker proved remarkably sensitive.
  • For entertainment at home we sang around the piano or from 1925 we listened to our wireless - the cat's whiskers kind of early radio.
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