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  1. TACH Definition & Meaning - Merriam-Webster

    Aug 19, 2012 · The meaning of TACH is tachometer.

  2. Tachometer - Wikipedia

    A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. [1]

  3. TACH Definition & Meaning | Dictionary.com

    Published by Houghton Mifflin Harcourt Publishing Company. TACH definition: tachometer. See examples of tach used in a sentence.

  4. Tach - definition of tach by The Free Dictionary

    Define tach. tach synonyms, tach pronunciation, tach translation, English dictionary definition of tach. n. Informal A tachometer. American Heritage® Dictionary of the English Language, Fifth Edition.

  5. How To Install A Tachometer: A Basic Wiring Diagram | JEGS

    Aug 18, 2022 · What Is A Tachometer? A tachometer, often referred to as a "tach," is a gauge that measures and displays engine speed in RPMs (revolutions per minute).

  6. What is a Tachometer? Types, Replacement Cost, and More

    Nov 18, 2024 · The tachometer, also known as the “revolution/rev counter” or tach, measures the engine’s revolutions per minute (RPM) or the number of times the crankshaft rotates every minute.

  7. What does TACH mean? - Definitions.net

    A tach, short for tachometer, is an instrument that measures the rotation speed of a shaft or disk, as in a motor or other machine. It displays the revolutions per minute (RPM).

  8. TACH - Definition in English - bab.la

    What is the meaning of "tach"? UK /tak/ noun (North American English, informal) short for tachometer Examples Pulling into the upper third of the tach, one is treated to a deep-toned snarl that's both …

  9. TACH definition and meaning | Collins English Dictionary

    any device for measuring speed, esp the rate of revolution of a shaft. Tachometers (rev counters) are often fitted to cars to indicate the number of revolutions per minute of the engine. Collins English …

  10. tach - Wiktionary, the free dictionary

    Dec 28, 2025 · tach (third-person singular simple present tacheth, present participle tachinge, first-/third-person singular past indicative and past participle taught) alternative form of techen