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Ground state in Irish (Bunstaid): Meaning, Pronunciation, Usage

The Irish for ground state is bunstaid, a feminine noun (plural bunstaideanna).
Updated October 2026Report a mistake

How to say “ground state” in Irish

Irish:
bunstaid
English:
ground state
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“BUN-stadj”  /ˈbˠʊnˌsˠt̪ˠadʲ/
Various forms
Plural:
bunstaideanna (ground states)
Genitive singular:
bunstaide, na bunstaide (e.g. fuinneamh na bunstaide, the energy of the ground state)
Genitive plural:
bunstaideanna, na mbunstaideanna (e.g. comparáid na mbunstaideanna, the comparison of the ground states)

What does “bunstaid” mean?

ground state
In physics and chemistry, the lowest energy state of an atom, molecule or system.Also: lowest energy state, base state.

“Bunstaid” with the article

The plural of ground state in Irish is bunstaideanna. Here is bunstaid after the article (an t-alt), in the singular and the plural.

an bhunstaid
the ground state
Lenition: b becomes bh after an (feminine noun)
na bunstaideanna
the ground states
Plural: no change after na

“Bunstaid” in a sentence: Irish examples

Common Irish sentences using bunstaid, the Irish word for ground state.

Tá an t-adamh anois sa bhunstaid.
The atom is now in the ground state.
Is í an bhunstaid an staid fuinnimh is ísle.
The ground state is the lowest energy state.
Ríomhamar fuinneamh na bunstaide go cruinn.
We calculated the energy of the ground state precisely.
Filleann an leictreon ar an mbunstaid go tapa.
The electron quickly returns to the ground state.
Tá bunstaideanna difriúla ag na móilíní seo.
These molecules have different ground states.
Ní bhíonn an córas i mbunstaid i gcónaí.
The system is not always in a ground state.
Mhínigh an léachtóir cad is bunstaid ann.
The lecturer explained what a ground state is.

Other nouns in Irish

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Ground state in Irish: frequently asked questions

What is the Irish for ground state?

The Irish for ground state is bunstaid (pronounced “BUN-stadj”). It’s a feminine noun and the plural is bunstaideanna.

How do you pronounce bunstaid in Irish?

Bunstaid is said like “BUN-stadj” (IPA /ˈbˠʊnˌsˠt̪ˠadʲ/).

What is the plural of ground state in Irish?

The plural of bunstaid is bunstaideanna; with the article, na bunstaideanna means “the ground states”. The genitive plural is bunstaideanna, as in comparáid na mbunstaideanna (the comparison of the ground states).

Why does bunstaid change to bhunstaid or mbunstaid?

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

How is 'bunstaid' formed?

It combines the prefix 'bun-' (base, basic) with 'staid' (state), giving 'basic state', used for the physics term ground state.

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