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Subshell in Irish (Fosceall): Meaning, Pronunciation, Usage

The Irish for subshell is fosceall, a masculine noun (plural fosceallaí).
Updated October 2026Report a mistake

How to say “subshell” in Irish

Irish:
fosceall
English:
subshell
Word type:
noun
Gender:
masculine
Pronunciation:
“FOS-kyal”  /ˈfˠɔsˌcalˠ/
Various forms
Plural:
fosceallaí (subshells)
Genitive singular:
foscealla, an fhoscealla (e.g. leictreoin an fhoscealla, the electrons of the subshell)
Genitive plural:
fosceallaí, na bhfosceallaí (e.g. líon na bhfosceallaí, the number of subshells)

What does “fosceall” mean?

subshell
In chemistry and physics, a subdivision of an electron shell in an atom, such as an s, p, d or f subshell.Also: electron subshell, sublevel, energy sublevel.

“Fosceall” with the article

The plural of subshell in Irish is fosceallaí. Here is fosceall after the article (an t-alt), in the singular and the plural.

an fosceall
the subshell
No change after an
na fosceallaí
the subshells
Plural: no change after na

“Fosceall” in a sentence: Irish examples

Common Irish sentences using fosceall, the Irish word for subshell.

Is cuid de bhlaosc leictreon é fosceall.
A subshell is part of an electron shell.
Tá dhá leictreon san fhosceall s.
There are two electrons in the s subshell.
Líontar an fosceall p roimh an bhfosceall d.
The p subshell is filled before the d subshell.
Tá cúig fhitheán i bhfosceall d.
There are five orbitals in a d subshell.
Cé mhéad fosceall atá sa bhlaosc sin?
How many subshells are in that shell?
Tá fuinneamh an fhoscealla níos airde anseo.
The energy of the subshell is higher here.
Mhínigh an múinteoir na fosceallaí don rang.
The teacher explained the subshells to the class.

Other nouns in Irish

More everyday Irish nouns to learn next.

Subshell in Irish: frequently asked questions

What is the Irish for subshell?

The Irish for subshell is fosceall (pronounced “FOS-kyal”). It’s a masculine noun and the plural is fosceallaí.

How do you pronounce fosceall in Irish?

Fosceall is said like “FOS-kyal” (IPA /ˈfˠɔsˌcalˠ/).

What is the plural of subshell in Irish?

The plural of fosceall is fosceallaí; with the article, na fosceallaí means “the subshells”. The genitive plural is fosceallaí, as in líon na bhfosceallaí (the number of subshells).

Why does fosceall change to fhosceall or bhfosceall?

Irish changes the start of some words after certain words. After mo (my) fosceall becomes m'fhosceall (lenition), and after ár (our) or i (in) it becomes ár bhfosceall (eclipsis).

How is 'fosceall' formed?

It combines the prefix 'fo-' (sub-) with 'sceall' (shell, in the technical sense), mirroring English 'subshell'.

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