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Oscillation in Irish (Ascalú): Meaning, Pronunciation, Usage

The Irish for oscillation is ascalú, a masculine noun (plural ascaluithe). Ag ascalú is oscillating, from the verb ascalaigh.
Updated October 2026Report a mistake

How to say “oscillation” in Irish

Irish:
ascalú
English:
oscillation
Word type:
noun (verbal noun)
Verbal noun of:
ascalaigh, to oscillate (ag ascalú, oscillating)
Gender:
masculine
Pronunciation:
“AS-kuh-loo”  /ˈasˠkəl̪ˠuː/
Various forms
Plural:
ascaluithe (oscillations)
Genitive singular:
ascalaithe, an ascalaithe (e.g. minicíocht an ascalaithe, frequency of the oscillation)
Genitive plural:
ascaluithe, na n-ascaluithe (e.g. líon na n-ascaluithe, number of oscillations)

What does “ascalú” mean?

oscillation
A regular swinging or moving back and forth, especially in physics; it is the verbal noun of the verb ascalaigh.Also: oscillating, swinging, vibration.

“Ascalú” as a verbal noun

After ag, ascalú means oscillating: it is the verbal noun of the verb ascalaigh (to oscillate). A noun that follows it goes into the genitive.

agat
+
ascalúverbal noun
=
ag ascalúoscillating

“Ascalú” with the article

The plural of oscillation in Irish is ascaluithe. Here is ascalú after the article (an t-alt), in the singular and the plural.

an t-ascalú
the oscillation
Masculine nouns take t before a vowel after an
na hascaluithe
the oscillations
Plural: na adds h before a vowel

“Ascalú” in a sentence: Irish examples

Common Irish sentences using ascalú, the Irish word for oscillation.

Is gluaiseacht rialta é ascalú.
Oscillation is a regular movement.
Thomhais an múinteoir am an ascalaithe.
The teacher measured the time of the oscillation.
Bhí ascalú an luascáin an-mhall.
The swinging of the pendulum was very slow.
Chomhraíomar na hascaluithe in aon nóiméad amháin.
We counted the oscillations in one minute.
Tá ascalú le feiceáil sa tsreang.
Oscillation can be seen in the wire.
Laghdaíonn an t-ascalú de réir a chéile.
The oscillation decreases gradually.
Rinneamar staidéar ar ascaluithe sa rang fisice.
We studied oscillations in physics class.

Other nouns in Irish

More everyday Irish nouns to learn next.

Oscillation in Irish: frequently asked questions

What is the Irish for oscillation?

The Irish for oscillation is ascalú (pronounced “AS-kuh-loo”). It’s a masculine noun and the plural is ascaluithe.

How do you pronounce ascalú in Irish?

Ascalú is said like “AS-kuh-loo” (IPA /ˈasˠkəl̪ˠuː/).

What is the plural of oscillation in Irish?

The plural of ascalú is ascaluithe; with the article, na hascaluithe means “the oscillations”. The genitive plural is ascaluithe, as in líon na n-ascaluithe (number of oscillations).

Why does ascalú sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-ascalú (the oscillation), a hascalú (her oscillation), a n-ascalú (their oscillation), na hascaluithe (the oscillations).

What is the difference between ascalú and luascadh?

Ascalú is the technical term for oscillation in science, while luascadh is the everyday word for swinging or rocking.

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