CEFR B2

tachometer

noun

Meaning

An instrument that measures the rotational speed of a shaft, typically in an engine, in revolutions per minute (RPM).

Examples

The pilot checked the tachometer to ensure the engine was operating within the safe range.
A faulty tachometer can make it difficult to judge when to shift gears in a manual transmission car.

Synonyms: rev counter, speed gauge

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tachometer (B2)

noun

Pronunciation: [tækˈɒmɪtər]

Definition

An instrument that measures the rotational speed of a shaft, typically in an engine, in revolutions per minute (RPM).

Examples

The pilot checked the tachometer to ensure the engine was operating within the safe range.
A faulty tachometer can make it difficult to judge when to shift gears in a manual transmission car.
Many performance cars have a prominent tachometer as a key part of their dashboard.

How to Use tachometer

tachometer reading (collocation): The value shown on the tachometer. — "The tachometer reading indicated the engine was idling smoothly."

Synonyms of tachometer

Words with a similar meaning to tachometer:

Antonyms of tachometer

Words with the opposite meaning to tachometer:

speed limiter

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