Irish edit

Etymology edit

From dé- (di-) +‎ -héadrán (-hedron).

Noun edit

déhéadrán m (genitive singular déhéadráin, nominative plural déhéadráin)

  1. (mathematics) dihedron

Declension edit

Related terms edit

Mutation edit

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 edit