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Combustibility in Irish (Inlastacht): Meaning, Pronunciation, Usage

The Irish for combustibility is inlastacht, a feminine noun.
Updated October 2026Report a mistake

How to say “combustibility” in Irish

Irish:
inlastacht
English:
combustibility
Word type:
noun
Gender:
feminine
Pronunciation:
“IN-las-tukht”  /ˈɪnʲl̪ˠəsˠt̪ˠəxt̪ˠ/
Various forms
Genitive singular:
inlastachta, na hinlastachta (e.g. leibhéal inlastachta an ábhair, the level of combustibility of the material)

What does “inlastacht” mean?

combustibility
The quality of being able to catch fire and burn easily.Also: inflammability, flammability.

“Inlastacht” with the article

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

an inlastacht
the combustibility
No change: feminine nouns starting with a vowel keep their form after an

“Inlastacht” in a sentence: Irish examples

Common Irish sentences using inlastacht, the Irish word for combustibility.

Tá inlastacht ard ag an ngás seo.
This gas is highly combustible.
Rinne siad tástáil ar inlastacht an troscáin.
They tested the furniture for flammability.
Laghdaíonn an ceimiceán inlastacht an éadaigh.
The chemical reduces the cloth's flammability.
Is cúis imní í inlastacht an pheitril.
The flammability of petrol is a cause for concern.
Tá rialacha dochta faoi inlastacht bréagán.
There are strict rules about the flammability of toys.
Tomhaiseann an tsaotharlann an inlastacht go cúramach.
The laboratory measures the combustibility carefully.
Ní raibh aon tuairisc ar a hinlastacht ar an lipéad.
There was no information on its flammability on the label.

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Combustibility in Irish: frequently asked questions

What is the Irish for combustibility?

The Irish for combustibility is inlastacht (pronounced “IN-las-tukht”). It’s a feminine noun.

How do you pronounce inlastacht in Irish?

Inlastacht is said like “IN-las-tukht” (IPA /ˈɪnʲl̪ˠəsˠt̪ˠəxt̪ˠ/).

Does inlastacht have a plural?

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

Why does inlastacht sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an inlastacht (the combustibility), a hinlastacht (her combustibility), a n-inlastacht (their combustibility).

Which adjective is 'inlastacht' related to?

It comes from the adjective 'inlasta', meaning combustible or inflammable, from 'las' (to light) with the prefix 'in-' meaning able to be.

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