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Definition 2025

isiméir

isiméir

Irish

Noun

isiméir f ‎(genitive singular isiméire, nominative plural isiméirí)

(chemistry, physics) isomer

Declension

Declension of isiméir

Second declension

Bare forms

Case	Singular	Plural
Nominative	isiméir	isiméirí
Vocative	a isiméir	a isiméirí
Genitive	isiméire	isiméirí
Dative	isiméir	isiméirí

Forms with the definite article

Case	Singular	Plural
Nominative	an isiméir	na hisiméirí
Genitive	na hisiméire	na n-isiméirí
Dative	leis an isiméir don isiméir	leis na hisiméirí

Derived terms

isiméireach ‎(“isomeric”)
isiméireacht ‎(“isomerism”)

Mutation

Irish mutation
Radical	Eclipsis	with h-prothesis	with t-prothesis
isiméir	n-isiméir	hisiméir	t-isiméir
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.