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Tracer in Irish (Rianán): Meaning, Pronunciation, Usage

The Irish for tracer is rianán, a masculine noun (plural rianáin).
Updated October 2026Report a mistake

How to say “tracer” in Irish

Irish:
rianán
English:
tracer
Word type:
noun
Gender:
masculine
Pronunciation:
“REE-uh-nawn”  /ˈɾʲiənˠaːnˠ/
Various forms
Plural:
rianáin (tracers)
Genitive singular:
rianáin, an rianáin (e.g. gluaiseacht an rianáin, the movement of the tracer)
Genitive plural:
rianán, na rianán (e.g. úsáid na rianán, the use of tracers)

What does “rianán” mean?

tracer
A substance, often radioactive, added to something so that its movement or a process can be followed and measured.Also: tracer element, radioactive tracer, marker.

“Rianán” with the article

The plural of tracer in Irish is rianáin. Here is rianán after the article (an t-alt), in the singular and the plural.

an rianán
the tracer
No change after an
na rianáin
the tracers
Plural: no change after na

“Rianán” in a sentence: Irish examples

Common Irish sentences using rianán, the Irish word for tracer.

Cuireadh rianán san uisce chun an sruth a leanúint.
A tracer was added to the water to follow the current.
Is iseatóp radaighníomhach é an rianán seo.
This tracer is a radioactive isotope.
Úsáidtear rianáin go minic i dtaighde leighis.
Tracers are often used in medical research.
Lean an t-eolaí cosán an rianáin tríd an gcorp.
The scientist followed the path of the tracer through the body.
Bhí méid an rianáin an-bheag.
The amount of tracer was very small.
Tá an rianán le feiceáil sa scanadh anois.
The tracer can be seen in the scan now.
Thomhais siad leibhéal na rianán san fhuil.
They measured the level of the tracers in the blood.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tracer in Irish: frequently asked questions

What is the Irish for tracer?

The Irish for tracer is rianán (pronounced “REE-uh-nawn”). It’s a masculine noun and the plural is rianáin.

How do you pronounce rianán in Irish?

Rianán is said like “REE-uh-nawn” (IPA /ˈɾʲiənˠaːnˠ/).

What is the plural of tracer in Irish?

The plural of rianán is rianáin; with the article, na rianáin means “the tracers”. The genitive plural is rianán, as in úsáid na rianán (the use of tracers).

How is 'rianán' related to 'rian'?

'Rianán' is formed from 'rian' (trace, mark) with the diminutive-type ending '-án', so a 'rianán' is something that leaves a trace you can follow.

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