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Tachometer in Irish (Tacóiméadar): Meaning, Pronunciation, Usage

The Irish for tachometer is tacóiméadar, a masculine noun (plural tacóiméadair).
Updated October 2026Report a mistake

How to say “tachometer” in Irish

Irish:
tacóiméadar
English:
tachometer
Word type:
noun
Gender:
masculine
Pronunciation:
“TAK-oh-may-dur”  /ˈt̪ˠakoːˌmʲeːd̪ˠəɾˠ/
Various forms
Plural:
tacóiméadair (tachometers)
Genitive singular:
tacóiméadair, an tacóiméadair (e.g. snáthaid an tacóiméadair, the needle of the tachometer)
Genitive plural:
tacóiméadar, na dtacóiméadar (e.g. léamha na dtacóiméadar, the tachometer readings)

What does “tacóiméadar” mean?

tachometer
An instrument that measures the speed of rotation of an engine or shaft, usually in revolutions per minute.Also: rev counter, revolution counter, tacho.

“Tacóiméadar” with the article

The plural of tachometer in Irish is tacóiméadair. Here is tacóiméadar after the article (an t-alt), in the singular and the plural.

an tacóiméadar
the tachometer
No change after an
na tacóiméadair
the tachometers
Plural: no change after na

“Tacóiméadar” in a sentence: Irish examples

Common Irish sentences using tacóiméadar, the Irish word for tachometer.

Tá tacóiméadar ar an deais sa charr seo.
There is a tachometer on the dashboard in this car.
Bhí an tacóiméadar ag léamh sé mhíle.
The tachometer was reading six thousand.
Briseadh snáthaid an tacóiméadair inné.
The tachometer needle broke yesterday.
Díolann an siopa sin tacóiméadair do ghluaisrothair.
That shop sells tachometers for motorbikes.
Féach ar mo thacóiméadar sula n-athraíonn tú giar.
Look at my tachometer before you change gear.
Tá solas dearg i dtacóiméadar an leoraí.
There is a red light in the lorry's tachometer.
Taispeánann an tacóiméadar luas an innill.
The tachometer shows the engine speed.

Other nouns in Irish

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Tachometer in Irish: frequently asked questions

What is the Irish for tachometer?

The Irish for tachometer is tacóiméadar (pronounced “TAK-oh-may-dur”). It’s a masculine noun and the plural is tacóiméadair.

How do you pronounce tacóiméadar in Irish?

Tacóiméadar is said like “TAK-oh-may-dur” (IPA /ˈt̪ˠakoːˌmʲeːd̪ˠəɾˠ/).

What is the plural of tachometer in Irish?

The plural of tacóiméadar is tacóiméadair; with the article, na tacóiméadair means “the tachometers”. The genitive plural is tacóiméadar, as in léamha na dtacóiméadar (the tachometer readings).

Why does tacóiméadar change to thacóiméadar or dtacóiméadar?

Irish changes the start of some words after certain words. After mo (my) tacóiméadar becomes mo thacóiméadar (lenition), and after ár (our) or i (in) it becomes ár dtacóiméadar (eclipsis).

Is 'tacóiméadar' the same as 'luasmhéadar'?

No. 'Tacóiméadar' measures engine revolutions, while 'luasmhéadar' measures the speed of the vehicle (speedometer).

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