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Cellulose in Irish (Ceallalós): Meaning, Pronunciation, Usage

The Irish for cellulose is ceallalós, a masculine noun.
Updated October 2026Report a mistake

How to say “cellulose” in Irish

Irish:
ceallalós
English:
cellulose
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KYAL-uh-lohs”  /ˈcaləl̪ˠoːsˠ/
Various forms
Genitive singular:
ceallalóis, an cheallalóis (e.g. snáithíní ceallalóis, cellulose fibres)

What does “ceallalós” mean?

cellulose
A tough natural substance that forms the cell walls of plants and is used to make paper and textiles.Also: plant fibre, cellulose fibre.

“Ceallalós” with the article

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

an ceallalós
the cellulose
No change after an

“Ceallalós” in a sentence: Irish examples

Common Irish sentences using ceallalós, the Irish word for cellulose.

Tá ceallalós i mballaí na gceall plandaí.
Plant cell walls contain cellulose.
Déantar páipéar as ceallalós.
Paper is made from cellulose.
Ní féidir le daoine an ceallalós a dhíleá.
People cannot digest cellulose.
Is polaimír nádúrtha é ceallalós.
Cellulose is a natural polymer.
Tá a lán ceallalóis san adhmad.
There is a lot of cellulose in wood.
D'fhoghlaimíomar faoi cheallalós sa rang bitheolaíochta.
We learned about cellulose in biology class.
Briseann baictéir sa bholg an ceallalós síos.
Bacteria in the stomach break down the cellulose.

Other nouns in Irish

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Cellulose in Irish: frequently asked questions

What is the Irish for cellulose?

The Irish for cellulose is ceallalós (pronounced “KYAL-uh-lohs”). It’s a masculine noun.

How do you pronounce ceallalós in Irish?

Ceallalós is said like “KYAL-uh-lohs” (IPA /ˈcaləl̪ˠoːsˠ/).

Does ceallalós have a plural?

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

Why does ceallalós change to cheallalós or gceallalós?

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

Is 'ceallalós' the same as 'ceallafán' (cellophane)?

No. Ceallalós is the natural plant substance, cellulose; cellophane is a thin transparent film made from it.

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