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Chromosome in Irish (Crómasóm): Meaning, Pronunciation, Usage

The Irish for chromosome is crómasóm, a masculine noun (plural crómasóim).
Updated October 2026Report a mistake

How to say “chromosome” in Irish

Irish:
crómasóm
English:
chromosome
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KROH-muh-sohm”  /ˈkɾˠoːmˠəsˠoːmˠ/
Various forms
Plural:
crómasóim (chromosomes)
Genitive singular:
crómasóim, an chrómasóim (e.g. struchtúr an chrómasóim, the structure of the chromosome)
Genitive plural:
crómasóm, na gcrómasóm (e.g. líon na gcrómasóm, the number of chromosomes)

What does “crómasóm” mean?

chromosome
A thread-like structure in the nucleus of a cell that carries the genes.Also: gene carrier, x chromosome, y chromosome.

“Crómasóm” with the article

The plural of chromosome in Irish is crómasóim. Here is crómasóm after the article (an t-alt), in the singular and the plural.

an crómasóm
the chromosome
No change after an
na crómasóim
the chromosomes
Plural: no change after na

“Crómasóm” in a sentence: Irish examples

Common Irish sentences using crómasóm, the Irish word for chromosome.

Tá crómasóm breise ag an duine sin.
That person has an extra chromosome.
Tá trí chrómasóm is fiche ag gach duine ó gach tuismitheoir.
Everyone gets twenty-three chromosomes from each parent.
Iompraíonn an crómasóm na géinte.
The chromosome carries the genes.
Tá na crómasóim le fáil i núicléas na cille.
The chromosomes are found in the nucleus of the cell.
D'fhoghlaimíomar faoi chrómasóim sa rang bitheolaíochta.
We learned about chromosomes in biology class.
Rinne an t-eolaí staidéar ar struchtúr an chrómasóim.
The scientist studied the structure of the chromosome.
Tá athrú beag sa chrómasóm seo.
There is a small change in this chromosome.

Other nouns in Irish

More everyday Irish nouns to learn next.

Chromosome in Irish: frequently asked questions

What is the Irish for chromosome?

The Irish for chromosome is crómasóm (pronounced “KROH-muh-sohm”). It’s a masculine noun and the plural is crómasóim.

How do you pronounce crómasóm in Irish?

Crómasóm is said like “KROH-muh-sohm” (IPA /ˈkɾˠoːmˠəsˠoːmˠ/).

What is the plural of chromosome in Irish?

The plural of crómasóm is crómasóim; with the article, na crómasóim means “the chromosomes”. The genitive plural is crómasóm, as in líon na gcrómasóm (the number of chromosomes).

Why does crómasóm change to chrómasóm or gcrómasóm?

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

How do you say 'X chromosome' in Irish?

It is 'crómasóm X', and the Y chromosome is 'crómasóm Y'.

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