déhéadrán

Irish

Etymology

From dé- (“di-”) +‎ -héadrán (“-hedron”).

Noun

déhéadrán m (genitive singular déhéadráin, nominative plural déhéadráin)

  1. (mathematics) dihedron

Declension
Declension of déhéadrán

First declension

Bare forms:

Case Singular Plural
Nominative déhéadrán déhéadráin
Vocative a dhéhéadráin a dhéhéadrána
Genitive déhéadráin déhéadrán
Dative déhéadrán déhéadráin

Forms with the definite article:

Case Singular Plural
Nominative an déhéadrán na déhéadráin
Genitive an déhéadráin na ndéhéadrán
Dative leis an déhéadrán

don déhéadrán

 leis na déhéadráin

Mutation
Irish mutation
Radical Lenition Eclipsis
déhéadrán dhéhéadrán ndéhéadrán
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading
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