tikker

noun

tik·​ker

variants or ticker

ˈtikə(r) 

plural -s

: a form of interrupter used in the early days of radio as a detector of continuous waves consisting of a rapidly rotating wheel and a fine wire brush with the current made and broken by momentary contacts between the brush and a continuous strip of conducting material in the rim of the wheel

Word History

Etymology

tikker alteration of ticker entry 1

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