cat whisker
American
Or
cat's whisker
noun
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Radio. a stiff wire forming one contact in a crystal detector and used for probing the crystal.
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Electronics. any wire for making contact with a semiconductor.
Etymology
Origin of cat whisker
First recorded in 1910–15
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
