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Two-dimensional in Irish (déthoiseach): Meaning, Forms, Examples

The Irish for two-dimensional is déthoiseach: pictiúr déthoiseach, a two-dimensional picture.
Updated October 2026Report a mistake

How to say “two-dimensional” in Irish

Irish:
déthoiseach
English:
two-dimensional
Word type:
adjective
More two-dimensional:
níos déthoisí
Most two-dimensional:
is déthoisí
Plural:
déthoiseacha
Pronunciation:
“DAY-hish-ukh”  /ˈdʲeːhɪʃəx/

What does “déthoiseach” mean?

two-dimensional
Having two dimensions, length and width, but no depth.Also: 2d, flat, planar.

“Déthoiseach” after a noun

An Irish adjective comes after its noun. Here is déthoiseach after pictiúr (picture, masculine), after íomhá (image, feminine) and after a plural.

after a masculine nounpictiúr déthoiseacha two-dimensional picture
after a feminine nouníomhá dhéthoiseacha two-dimensional image
after a plural nounpictiúir dhéthoiseachatwo-dimensional pictures

séimhiú (the h) the ending

feminine
íomháimage
+
déthoiseachtwo-dimensional
=
íomhá dhéthoiseacha two-dimensional image

After a feminine noun the adjective gets a séimhiú, an h after its first letter: íomhá dhéthoiseach. After a masculine noun it stays as it is: pictiúr déthoiseach.

plural
pictiúirpictures
+
déthoiseachatwo-dimensional, plural
=
pictiúir dhéthoiseachatwo-dimensional pictures

With a plural noun the adjective takes its plural form, déthoiseacha. It also gets an h after a plural that ends in a slender consonant: pictiúir dhéthoiseacha; after other plurals it does not: íomhánna déthoiseacha.

More two-dimensional, most two-dimensional, very two-dimensional

níosmore
+
déthoisítwo-dimensional
=
níos déthoisímore two-dimensional
ismost
+
déthoisítwo-dimensional
=
is déthoisímost two-dimensional

Tá an léarscáil níos déthoisí ná an chruinneog. The map is more two-dimensional than the globe.

more two-dimensionalníos déthoisíin the past tense: ní ba dhéthoisí
most two-dimensionalis déthoisíin the past tense: ba dhéthoisí
as two-dimensional aschomh déthoiseach leno change after chomh
very two-dimensionalan-déthoiseachan- lenites, except d, t and s
too two-dimensionalródhéthoiseachró- lenites

“Déthoiseach” in a sentence: Irish examples

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

Tharraing sé pictiúr déthoiseach ar an bpáipéar.
He drew a two-dimensional picture on the paper.
Is íomhá dhéthoiseach í seo.
This is a two-dimensional image.
Rinneamar staidéar ar chruthanna déthoiseacha inniu.
We studied two-dimensional shapes today.
Tá an léarscáil níos déthoisí ná an chruinneog.
The map is more two-dimensional than the globe.
Tá an chearnóg déthoiseach.
The square is two-dimensional.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Two-dimensional in Irish: frequently asked questions

What is the Irish for two-dimensional?

The Irish for two-dimensional is déthoiseach (pronounced “DAY-hish-ukh”). It comes after the noun: pictiúr déthoiseach, a two-dimensional picture; íomhá dhéthoiseach, a two-dimensional image.

How do you say more two-dimensional and most two-dimensional in Irish?

níos déthoisí is more two-dimensional and is déthoisí is most two-dimensional. In the past tense they become ní ba dhéthoisí and ba dhéthoisí.

Why does déthoiseach become dhéthoiseach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So íomhá dhéthoiseach (a two-dimensional image) but pictiúr déthoiseach (a two-dimensional picture), because pictiúr is masculine.

What is the plural of déthoiseach?

With a plural noun déthoiseach becomes déthoiseacha: pictiúir dhéthoiseacha, íomhánna déthoiseacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very two-dimensional in Irish?

an-déthoiseach. Too two-dimensional is ródhéthoiseach, and as two-dimensional as is chomh déthoiseach le.

What is the Irish for three-dimensional?

Three-dimensional is 'tríthoiseach', the counterpart of 'déthoiseach', often abbreviated 3T.

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