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Congealing in Irish (Téachtadh): Meaning, Pronunciation, Usage

‘téachtadh’ also means: freezing

The Irish for congealing is téachtadh, a masculine noun. Ag téachtadh is freezing, from the verb téacht.
Updated October 2026Report a mistake

How to say “congealing” in Irish

Irish:
téachtadh
English:
congealing, freezing
Word type:
noun (verbal noun)
Verbal noun of:
téacht, to freeze (ag téachtadh, freezing)
Gender:
masculine
Pronunciation:
“TYAYKH-tuh”  /tʲeːxt̪ˠə/
Various forms
Genitive singular:
téachta, an téachta (e.g. am téachta na fola, the clotting time of the blood)

What does “téachtadh” mean?

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

congealing
The verbal noun of 'téacht': the act of congealing, coagulating or setting, as when a liquid thickens or turns solid.Also: coagulation, clotting, setting, curdling.
1 other meaning: freezing
2freezing
The process of freezing or becoming numb with cold; also verbal noun of 'téacht'.Also: chilling, numbing.

“Téachtadh” as a verbal noun

After ag, téachtadh means freezing: it is the verbal noun of the verb téacht (to freeze). A noun that follows it goes into the genitive.

agat
+
téachtadhverbal noun
=
ag téachtadhfreezing

“Téachtadh” with the article

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

an téachtadh
the congealing
No change after an

“Téachtadh” in a sentence: Irish examples

Common Irish sentences using téachtadh, the Irish word for congealing.

Cuireann an fuacht téachtadh san fhuil.
The cold makes the blood congeal.
Tá an téachtadh ag tosú sa bhainne.
The milk is starting to curdle.
Fág an ghlóthach sa chuisneoir go dtí an téachtadh.
Leave the jelly in the fridge until it sets.
Stopann téachtadh na fola an chneá ó bheith ag cur fola.
Clotting of the blood stops the wound bleeding.
Bhí téachtadh ar an loch ar maidin.
The lake was frozen over this morning.
Is próiseas nádúrtha é an téachtadh.
Coagulation is a natural process.
Thóg an téachtadh níos mó ama ná mar a cheap mé.
The setting took longer than I thought.

Other nouns in Irish

More everyday Irish nouns to learn next.

Congealing in Irish: frequently asked questions

What is the Irish for congealing?

The Irish for congealing is téachtadh (pronounced “TYAYKH-tuh”). It’s a masculine noun. Depending on context it can also mean freezing.

How do you pronounce téachtadh in Irish?

Téachtadh is said like “TYAYKH-tuh” (IPA /tʲeːxt̪ˠə/).

Does téachtadh have a plural?

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

Does téachtadh have more than one meaning?

Yes. Téachtadh can mean congealing or freezing, depending on context; the first is the most common.

Why does téachtadh change to théachtadh or dtéachtadh?

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

What is the difference between 'téachtadh' and 'téachtán'?

'Téachtadh' is the process of congealing or clotting, while 'téachtán' is the clot itself, as in 'téachtán fola', a blood clot.

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