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Silicon in Irish (Sileacan): Meaning, Pronunciation, Usage

The Irish for silicon is sileacan, a masculine noun.
Updated October 2026Report a mistake

How to say “silicon” in Irish

Irish:
sileacan
English:
silicon
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“SHIL-uh-kun”  /ˈʃɪlʲəkən̪ˠ/
Various forms
Genitive singular:
sileacain, an tsileacain (e.g. sliseog sileacain, silicon chip)

What does “sileacan” mean?

silicon
A chemical element, a non-metal found in sand and rock, widely used in making computer chips.Also: silicon element, si.

“Sileacan” with the article

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

an sileacan
the silicon
No change after an

“Sileacan” in a sentence: Irish examples

Common Irish sentences using sileacan, the Irish word for silicon.

Is dúil cheimiceach é sileacan.
Silicon is a chemical element.
Tá an sileacan le fáil i ngaineamh.
Silicon is found in sand.
Déantar sliseoga ríomhaire as sileacan.
Computer chips are made from silicon.
Is é uimhir adamhach an tsileacain ná ceithre déag.
The atomic number of silicon is fourteen.
Bhí an múinteoir ag caint faoin sileacan inniu.
The teacher was talking about silicon today.
Tá go leor sileacain i gcarraigeacha.
There is a lot of silicon in rocks.
Úsáidtear sileacan i bpainéil ghréine freisin.
Silicon is also used in solar panels.

Other nouns in Irish

More everyday Irish nouns to learn next.

Silicon in Irish: frequently asked questions

What is the Irish for silicon?

The Irish for silicon is sileacan (pronounced “SHIL-uh-kun”). It’s a masculine noun.

How do you pronounce sileacan in Irish?

Sileacan is said like “SHIL-uh-kun” (IPA /ˈʃɪlʲəkən̪ˠ/).

Does sileacan have a plural?

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

Why does sileacan change to shileacan?

After words like mo (my) and do (your) the first letter is lenited: mo shileacan. After ár (our) it stays ár sileacan, because s does not take eclipsis.

Is 'sileacan' the same as silicone?

No. 'Sileacan' is the element silicon; the rubbery synthetic material silicone is a different word, 'silicón'.

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