HeyRua Get the app

Potassium in Irish (Potaisiam): Meaning, Pronunciation, Usage

The Irish for potassium is potaisiam, a masculine noun (plural potaisiamaí).
Updated October 2026Report a mistake

How to say “potassium” in Irish

Irish:
potaisiam
English:
potassium
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“puh-TASH-ee-um”  /pˠɔˈt̪ˠaʃiəmˠ/
Various forms
Plural:
potaisiamaí (potassiums)
Genitive singular:
potaisiam, an photaisiam (e.g. leibhéal an photaisiam, the level of potassium)
Genitive plural:
potaisiamaí, na bpotaisiamaí (e.g. leibhéil na bpotaisiamaí, the potassium levels)

What does “potaisiam” mean?

potassium
A soft, silvery chemical element (symbol K) that is an important nutrient for plants and the body.Also: K, potassium element.

“Potaisiam” with the article

The plural of potassium in Irish is potaisiamaí. Here is potaisiam after the article (an t-alt), in the singular and the plural.

an potaisiam
the potassium
No change after an
na potaisiamaí
the potassiums
Plural: no change after na

“Potaisiam” in a sentence: Irish examples

Common Irish sentences using potaisiam, the Irish word for potassium.

Is miotal bog é potaisiam.
Potassium is a soft metal.
Tá a lán potaisiam i mbananaí.
There is a lot of potassium in bananas.
Imoibríonn an potaisiam go láidir le huisce.
Potassium reacts strongly with water.
Thomhais an dochtúir leibhéal an photaisiam i m'fhuil.
The doctor measured the potassium level in my blood.
Is é K siombail an photaisiam.
K is the symbol for potassium.
Bíonn potaisiam sa leasachán a chuirimid ar an ngairdín.
There is potassium in the fertiliser we put on the garden.
Tá easpa potaisiam ar an ithir seo.
This soil is lacking in potassium.

Other nouns in Irish

More everyday Irish nouns to learn next.

Potassium in Irish: frequently asked questions

What is the Irish for potassium?

The Irish for potassium is potaisiam (pronounced “puh-TASH-ee-um”). It’s a masculine noun and the plural is potaisiamaí.

How do you pronounce potaisiam in Irish?

Potaisiam is said like “puh-TASH-ee-um” (IPA /pˠɔˈt̪ˠaʃiəmˠ/).

What is the plural of potassium in Irish?

The plural of potaisiam is potaisiamaí; with the article, na potaisiamaí means “the potassiums”. The genitive plural is potaisiamaí, as in leibhéil na bpotaisiamaí (the potassium levels).

Why does potaisiam change to photaisiam or bpotaisiam?

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

Is potaisiam the same as potash?

No. Potaisiam is the element potassium; potash, a potassium compound used as fertiliser, is 'potais' in Irish.

Learn Irish by
actually speaking it

Learn everyday Irish words like potaisiam through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen