tach
23
9.6
A gauge in a car or motorcycle that shows how fast the engine is turning
- noun
- /tæk/
- Jargon
:
cuentavueltas
- He glanced at the tach to ensure the speed of the engine was steady during the race.
Examples
-
The mechanic adjusted the settings while keeping an eye on the tach as the vehicle's performance improved.
-
As the engine revved higher, the tach displayed a speed of 5000 rpm, indicating it was performing well.
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But just for a quick simple measurement, we use the laser tach and some shiny stickers.
-
I got tired of splicing wires, so I put in a pulse tach decoder.
-
And with a tach, he could just watch his rpms so it didn't over-rev.
-
When you shift the gear, - - and the needle on the tach reads 9,000 rpm, that's bad.
Synonyms
1
7.6
A device that shows how fast an engine or wheel turns
is an informal name used more for vehicle engines
Surface Forms
Etymology
Tach is a short form of tachometer, from the Greek root tach- meaning 'speed' and -meter meaning 'measure'. So a tach is an instrument that shows how fast an engine or shaft turns.