Irish

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Etymology

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From dé- (di-) +‎ -héadrán (-hedron).

Noun

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déhéadrán m (genitive singular déhéadráin, nominative plural déhéadráin)

  1. (mathematics) dihedron

Declension

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Mutation

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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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