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Particle in Irish (Cáithne): Meaning, Pronunciation, Usage

‘cáithne’ also means: snowflake

The Irish for particle is cáithne, a masculine noun (plural cáithní).
Updated October 2026Report a mistake

How to say “particle” in Irish

Irish:
cáithne
English:
particle, snowflake
Word type:
noun
Gender:
masculine
Pronunciation:
“KAW-nyeh”  /ˈkaːn̠ʲə/
Various forms
Plural:
cáithní (particles)
Genitive singular:
cáithne, an cháithne (e.g. méid an cháithne, the size of the particle)
Genitive plural:
cáithní, na gcáithní (e.g. gluaiseacht na gcáithní, the movement of the particles)

What does “cáithne” mean?

“Cáithne” has two alternative meanings. The most common comes first.

particle
A very small piece or speck of something, such as dust, snow or chaff; also a particle in physics.Also: speck, flake, fleck, mote.
1 other meaning: snowflake
2snowflake
A single flake of snow, often in the phrase cáithne sneachta.Also: flake of snow.

Other Irish words for particle: gráinne (grain), cáithnín (particle)

“Cáithne” with the article

The plural of particle in Irish is cáithní. Here is cáithne after the article (an t-alt), in the singular and the plural.

an cáithne
the particle
No change after an
na cáithní
the particles
Plural: no change after na

“Cáithne” in a sentence: Irish examples

Common Irish sentences using cáithne, the Irish word for particle.

Bhí cáithne deannaigh i mo shúil.
There was a speck of dust in my eye.
Thit an cáithne sneachta ar a lámh.
The snowflake fell on her hand.
Tá na cáithní sneachta ag titim go tiubh.
The snowflakes are falling thickly.
Níl cáithne salachair ar an urlár.
There isn't a speck of dirt on the floor.
Rinne na heolaithe staidéar ar na cáithní.
The scientists studied the particles.
Chonaic mé cáithní ag snámh sa solas.
I saw specks floating in the light.
Is cáithne beag é an leictreon.
The electron is a small particle.

Other nouns in Irish

More everyday Irish nouns to learn next.

Particle in Irish: frequently asked questions

What is the Irish for particle?

The Irish for particle is cáithne (pronounced “KAW-nyeh”). It’s a masculine noun and the plural is cáithní. Depending on context it can also mean snowflake.

How do you pronounce cáithne in Irish?

Cáithne is said like “KAW-nyeh” (IPA /ˈkaːn̠ʲə/).

What is the plural of particle in Irish?

The plural of cáithne is cáithní; with the article, na cáithní means “the particles”. The genitive plural is cáithní, as in gluaiseacht na gcáithní (the movement of the particles).

Does cáithne have more than one meaning?

Yes. Cáithne can mean particle or snowflake, depending on context; the first is the most common.

Why does cáithne change to cháithne or gcáithne?

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

How is cáithne different from calóg?

Both can mean a flake; calóg sneachta and cáithne sneachta are both used for a snowflake, but cáithne is also the general word for a speck or a particle.

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