HeyRua Get the app

Tautomer in Irish (Tátaiméir): Meaning, Pronunciation, Usage

The Irish for tautomer is tátaiméir, a feminine noun (plural tátaiméirí).
Updated October 2026Report a mistake

How to say “tautomer” in Irish

Irish:
tátaiméir
English:
tautomer
Word type:
noun
Gender:
feminine
Pronunciation:
“TAW-tuh-mayr”  /ˈt̪ˠaːt̪ˠəmʲeːɾʲ/
Various forms
Plural:
tátaiméirí (tautomers)
Genitive singular:
tátaiméire, na tátaiméire (e.g. struchtúr na tátaiméire, the structure of the tautomer)
Genitive plural:
tátaiméirí, na dtátaiméirí (e.g. cothromaíocht na dtátaiméirí, the equilibrium of the tautomers)

What does “tátaiméir” mean?

tautomer
In chemistry, one of two or more forms of a compound that readily change into each other by the movement of an atom, usually hydrogen.Also: tautomeric form, isomer.

“Tátaiméir” with the article

The plural of tautomer in Irish is tátaiméirí. Here is tátaiméir after the article (an t-alt), in the singular and the plural.

an tátaiméir
the tautomer
No change: d and t are not lenited after an
na tátaiméirí
the tautomers
Plural: no change after na

“Tátaiméir” in a sentence: Irish examples

Common Irish sentences using tátaiméir, the Irish word for tautomer.

Is cineál iseiméire í an tátaiméir.
A tautomer is a kind of isomer.
Athraíonn tátaiméir go héasca ina foirm eile.
A tautomer easily changes into its other form.
Tá dhá thátaiméir ag an gcomhdhúil seo.
This compound has two tautomers.
Rinneamar staidéar ar na tátaiméirí sa tsaotharlann.
We studied the tautomers in the laboratory.
Tarraing struchtúr na tátaiméire ar an gclár.
Draw the structure of the tautomer on the board.
Bogann adamh hidrigine i ngach tátaiméir.
A hydrogen atom moves in each tautomer.
Tá an fhoirm cheitine níos cobhsaí ná an tátaiméir eile.
The keto form is more stable than the other tautomer.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tautomer in Irish: frequently asked questions

What is the Irish for tautomer?

The Irish for tautomer is tátaiméir (pronounced “TAW-tuh-mayr”). It’s a feminine noun and the plural is tátaiméirí.

How do you pronounce tátaiméir in Irish?

Tátaiméir is said like “TAW-tuh-mayr” (IPA /ˈt̪ˠaːt̪ˠəmʲeːɾʲ/).

What is the plural of tautomer in Irish?

The plural of tátaiméir is tátaiméirí; with the article, na tátaiméirí means “the tautomers”. The genitive plural is tátaiméirí, as in cothromaíocht na dtátaiméirí (the equilibrium of the tautomers).

Why does tátaiméir change to thátaiméir or dtátaiméir?

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

What is the difference between tátaiméir and iseiméir?

An iseiméir is any compound with the same formula but a different structure; a tátaiméir is a special iseiméir that converts readily into another form.

Learn Irish by
actually speaking it

Learn everyday Irish words like tátaiméir through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen