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Absolute function in Irish (Dearbhfheidhm): Meaning, Pronunciation, Usage

The Irish for absolute function is dearbhfheidhm, a feminine noun (plural dearbhfheidhmeanna).
Updated October 2026Report a mistake

How to say “absolute function” in Irish

Irish:
dearbhfheidhm
English:
absolute function
Word type:
noun
Gender:
feminine
Pronunciation:
“DAR-uh-vay-im”  /ˈdʲaɾˠəvˌeːmʲ/
Various forms
Plural:
dearbhfheidhmeanna (absolute functions)
Genitive singular:
dearbhfheidhme, na dearbhfheidhme (e.g. graf na dearbhfheidhme, graph of the absolute function)
Genitive plural:
dearbhfheidhmeanna, na ndearbhfheidhmeanna (e.g. airíonna na ndearbhfheidhmeanna, the properties of the absolute functions)

What does “dearbhfheidhm” mean?

absolute function
In mathematics, the absolute value function, which gives the size of a number without its sign.Also: absolute value function, modulus function, modulus.

“Dearbhfheidhm” with the article

The plural of absolute function in Irish is dearbhfheidhmeanna. Here is dearbhfheidhm after the article (an t-alt), in the singular and the plural.

an dearbhfheidhm
the absolute function
No change: d and t are not lenited after an
na dearbhfheidhmeanna
the absolute functions
Plural: no change after na

“Dearbhfheidhm” in a sentence: Irish examples

Common Irish sentences using dearbhfheidhm, the Irish word for absolute function.

Is feidhm mhatamaiticiúil í an dearbhfheidhm.
The absolute function is a mathematical function.
Tarraing graf na dearbhfheidhme ar an bpáipéar.
Draw the graph of the absolute function on the paper.
Ní thugann dearbhfheidhm luach diúltach riamh.
An absolute function never gives a negative value.
Bhí ceist ar dhearbhfheidhmeanna sa scrúdú inniu.
There was a question on absolute functions in the exam today.
Tá cruth V ar ghraf na dearbhfheidhme.
The graph of the absolute function is V-shaped.
Mhínigh an múinteoir an dearbhfheidhm go soiléir.
The teacher explained the absolute function clearly.
Tá an fhoirmle sin sa dearbhfheidhm.
That formula is in the absolute function.

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Absolute function in Irish: frequently asked questions

What is the Irish for absolute function?

The Irish for absolute function is dearbhfheidhm (pronounced “DAR-uh-vay-im”). It’s a feminine noun and the plural is dearbhfheidhmeanna.

How do you pronounce dearbhfheidhm in Irish?

Dearbhfheidhm is said like “DAR-uh-vay-im” (IPA /ˈdʲaɾˠəvˌeːmʲ/).

What is the plural of absolute function in Irish?

The plural of dearbhfheidhm is dearbhfheidhmeanna; with the article, na dearbhfheidhmeanna means “the absolute functions”. The genitive plural is dearbhfheidhmeanna, as in airíonna na ndearbhfheidhmeanna (the properties of the absolute functions).

Why does dearbhfheidhm change to dhearbhfheidhm or ndearbhfheidhm?

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

How is 'dearbhfheidhm' formed?

It combines dearbh 'absolute, certain' with feidhm 'function', lenited after the prefix, just as dearbhluach means 'absolute value'.

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