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Thyroxine in Irish (Tíorocsaín): Meaning, Pronunciation, Usage

The Irish for thyroxine is tíorocsaín, a masculine noun.
Updated October 2026Report a mistake

How to say “thyroxine” in Irish

Irish:
tíorocsaín
English:
thyroxine
Word type:
noun
Gender:
masculine
Pronunciation:
“TEER-uk-seen”  /ˈtʲiːɾˠɔksˠiːnʲ/
Various forms
Genitive singular:
tíorocsaín, an tíorocsaín (e.g. leibhéal tíorocsaín, thyroxine level)

What does “tíorocsaín” mean?

thyroxine
A hormone produced by the thyroid gland that controls the body's metabolism.Also: thyroid hormone, t4.

“Tíorocsaín” with the article

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

an tíorocsaín
the thyroxine
No change after an

“Tíorocsaín” in a sentence: Irish examples

Common Irish sentences using tíorocsaín, the Irish word for thyroxine.

Déanann an fhaireog thíoróideach tíorocsaín.
The thyroid gland makes thyroxine.
Tá easpa tíorocsaín ar m'aintín.
My aunt has a thyroxine deficiency.
Tógann sé tíorocsaín gach maidin.
He takes thyroxine every morning.
Rinne an dochtúir tástáil ar leibhéal tíorocsaín.
The doctor tested the thyroxine level.
Is hormón tábhachtach é tíorocsaín.
Thyroxine is an important hormone.
Bhí an iomarca tíorocsaín ina fuil.
There was too much thyroxine in her blood.
Rialaíonn an tíorocsaín an meitibileacht.
Thyroxine regulates the metabolism.

Other nouns in Irish

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Thyroxine in Irish: frequently asked questions

What is the Irish for thyroxine?

The Irish for thyroxine is tíorocsaín (pronounced “TEER-uk-seen”). It’s a masculine noun.

How do you pronounce tíorocsaín in Irish?

Tíorocsaín is said like “TEER-uk-seen” (IPA /ˈtʲiːɾˠɔksˠiːnʲ/).

Does tíorocsaín have a plural?

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

Why does tíorocsaín change to thíorocsaín or dtíorocsaín?

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

How is 'tíorocsaín' related to the thyroid in Irish?

The thyroid gland is 'an fhaireog thíoróideach', and 'tíorocsaín' is the main hormone it produces.

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