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Thermal in Irish (teirmeach): Meaning, Forms, Examples

The Irish for thermal is teirmeach: fear teirmeach, a thermal man.
Updated October 2026Report a mistake

How to say “thermal” in Irish

Irish:
teirmeach
English:
thermal
Word type:
adjective
More thermal:
níos teirmí
Most thermal:
is teirmí
Plural:
teirmeacha
Pronunciation:
“TER-im-ach”  /tʲɛɾʲəmʲəx/

What does “teirmeach” mean?

thermal
Relating to heat or temperature.Also: heat-related, of heat.

“Teirmeach” after a noun

An Irish adjective comes after its noun. Here is teirmeach after fear (man, masculine), after bróg (shoe, feminine) and after a plural.

after a masculine nounfear teirmeacha thermal man
after a feminine nounbróg theirmeacha thermal shoe
after a plural nounfir theirmeachathermal men

séimhiú (the h) the ending

feminine
brógshoe
+
teirmeachthermal
=
bróg theirmeacha thermal shoe

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bróg theirmeach. After a masculine noun it stays as it is: fear teirmeach.

plural
firmen
+
teirmeachathermal, plural
=
fir theirmeachathermal men

With a plural noun the adjective takes its plural form, teirmeacha. It also gets an h after a plural that ends in a slender consonant: fir theirmeacha; after other plurals it does not: bróga teirmeacha.

More thermal, most thermal, very thermal

níosmore
+
teirmíthermal
=
níos teirmímore thermal
ismost
+
teirmíthermal
=
is teirmímost thermal

Tá an t-ábhar seo níos teirmí ná an ceann eile. This material is more thermal than the other one.

more thermalníos teirmíin the past tense: ní ba theirmí
most thermalis teirmíin the past tense: ba theirmí
as thermal aschomh teirmeach leno change after chomh
very thermalan-teirmeachan- lenites, except d, t and s
too thermalrótheirmeachró- lenites

“Teirmeach” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Is foinse thábhachtach é fuinneamh teirmeach.
Thermal energy is an important source.
Táirgeann an stáisiún cumhacht theirmeach.
The station produces thermal power.
Tá na hairíonna teirmeacha an-tábhachtach anseo.
The thermal properties are very important here.
Tá an t-ábhar seo níos teirmí ná an ceann eile.
This material is more thermal than the other one.
Tá an próiseas seo teirmeach.
This process is thermal.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Thermal in Irish: frequently asked questions

What is the Irish for thermal?

The Irish for thermal is teirmeach (pronounced “TER-im-ach”). It comes after the noun: fear teirmeach, a thermal man; bróg theirmeach, a thermal shoe.

How do you say more thermal and most thermal in Irish?

níos teirmí is more thermal and is teirmí is most thermal. In the past tense they become ní ba theirmí and ba theirmí.

Why does teirmeach become theirmeach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bróg theirmeach (a thermal shoe) but fear teirmeach (a thermal man), because fear is masculine.

What is the plural of teirmeach?

With a plural noun teirmeach becomes teirmeacha: fir theirmeacha, bróga teirmeacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very thermal in Irish?

an-teirmeach. Too thermal is rótheirmeach, and as thermal as is chomh teirmeach le.

Is 'teirmeach' used in everyday speech?

Not really: in everyday Irish people say 'te' for hot, while 'teirmeach' appears in scientific and technical terms such as 'fuinneamh teirmeach'.

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