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speed indicator

noun
  1. an instrument for counting the number of revolutions of a gasoline engine.
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Origin of speed indicator

First recorded in 1855–60
Also called speed counter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for speed indicator

Historical Examples

  • You've seen our ray, of course, but have you looked at your speed-indicator?

    The Passing of Ku Sui

    Anthony Gilmore