HeyRua Get the app

Physics in Irish (Fisic): Meaning, Pronunciation, Usage

The Irish for physics is fisic, a feminine noun.
Updated October 2026Report a mistake

How to say “physics” in Irish

Irish:
fisic
English:
physics
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“FISH-ik”  /ˈfʲɪʃɪc/
Various forms
Genitive singular:
fisice, na fisice (e.g. múinteoir fisice, physics teacher)

What does “fisic” mean?

physics
The science that studies matter, energy, motion and forces.Also: physical science.

“Fisic” with the article

Here is fisic after the article (an t-alt).

an fhisic
the physics
Lenition: f becomes fh after an (feminine noun)

“Fisic” in a sentence: Irish examples

Common Irish sentences using fisic, the Irish word for physics.

Is maith liom fisic ar scoil.
I like physics at school.
Tá an fhisic deacair i mbliana.
Physics is difficult this year.
Tá scrúdú fisice againn amárach.
We have a physics exam tomorrow.
Rinne mo dheirfiúr staidéar ar an bhfisic.
My sister studied physics.
Is é an múinteoir fisice is fearr sa scoil é.
He is the best physics teacher in the school.
Tá suim mhór aici i bhfisic.
She is very interested in physics.
Fuair mé grád maith san fhisic.
I got a good grade in physics.

Other nouns in Irish

More everyday Irish nouns to learn next.

Physics in Irish: frequently asked questions

What is the Irish for physics?

The Irish for physics is fisic (pronounced “FISH-ik”). It’s a feminine noun.

How do you pronounce fisic in Irish?

Fisic is said like “FISH-ik” (IPA /ˈfʲɪʃɪc/).

Does fisic have a plural?

No plural form is given for fisic in the standard. Many abstract and mass nouns in Irish have no plural.

Why does fisic change to fhisic or bhfisic?

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

What is the Irish for a physicist?

A physicist is 'fisiceoir'; the subject itself is 'fisic'.

Does 'fisic' mean medicine, like English 'physic'?

No, in Irish 'fisic' means the science of physics. Medicine is 'leigheas' or 'cógas'.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen