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Tritium in Irish (Tritiam): Meaning, Pronunciation, Usage

The Irish for tritium is tritiam, a masculine noun (plural tritiamaí).
Updated October 2026Report a mistake

How to say “tritium” in Irish

Irish:
tritiam
English:
tritium
Word type:
noun
Gender:
masculine
Pronunciation:
“TRIT-ee-um”  /tʲɾʲɪtʲiəmˠ/
Various forms
Plural:
tritiamaí (tritiums)
Genitive singular:
tritiam, an tritiam (e.g. leathré an tritiam, the half-life of tritium)
Genitive plural:
tritiamaí, na dtritiamaí (e.g. iseatóip na dtritiamaí, the tritium isotopes)

What does “tritiam” mean?

tritium
Tritium is a radioactive isotope of hydrogen with two neutrons in its nucleus.Also: hydrogen isotope, hydrogen-3.

“Tritiam” with the article

The plural of tritium in Irish is tritiamaí. Here is tritiam after the article (an t-alt), in the singular and the plural.

an tritiam
the tritium
No change after an
na tritiamaí
the tritiums
Plural: no change after na

“Tritiam” in a sentence: Irish examples

Common Irish sentences using tritiam, the Irish word for tritium.

Is iseatóp hidrigine é tritiam.
Tritium is an isotope of hydrogen.
Tá an tritiam radaighníomhach.
Tritium is radioactive.
Bíonn leathré gearr ag an tritiam.
Tritium has a short half-life.
Tomhaiseadh leibhéal an tritiam san uisce.
The level of tritium in the water was measured.
Úsáidtear tritiam i gcloig a lonraíonn.
Tritium is used in watches that glow.
Fuarthas rian de thritiam sa sampla.
A trace of tritium was found in the sample.
Táirgtear tritiam in imoibreoirí núicléacha.
Tritium is produced in nuclear reactors.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tritium in Irish: frequently asked questions

What is the Irish for tritium?

The Irish for tritium is tritiam (pronounced “TRIT-ee-um”). It’s a masculine noun and the plural is tritiamaí.

How do you pronounce tritiam in Irish?

Tritiam is said like “TRIT-ee-um” (IPA /tʲɾʲɪtʲiəmˠ/).

What is the plural of tritium in Irish?

The plural of tritiam is tritiamaí; with the article, na tritiamaí means “the tritiums”. The genitive plural is tritiamaí, as in iseatóip na dtritiamaí (the tritium isotopes).

Why does tritiam change to thritiam or dtritiam?

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

How is 'tritiam' related to 'deoitéiriam'?

Both are isotopes of hydrogen (hidrigin): deoitéiriam (deuterium) has one neutron, while tritiam (tritium) has two and is radioactive.

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