déhéidreach

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Irish

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Etymology

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From dé- (“di-”) +‎ -héidreach (“-hedral”).

Adjective

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déhéidreach (genitive singular masculine déhéidrigh, genitive singular feminine déhéidrí, plural déhéidreacha, not comparable)

  1. (mathematics, aeronautics) dihedral

Declension

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Declension of déhéidreach
Singular Plural (m/f)
Positive Masculine Feminine (strong noun) (weak noun)
Nominative déhéidreach dhéhéidreach déhéidreacha;
dhéhéidreacha²
Vocative dhéhéidrigh déhéidreacha
Genitive déhéidrí déhéidreacha déhéidreach
Dative déhéidreach;
dhéhéidreach¹ 		dhéhéidreach;
dhéhéidrigh (archaic) 		déhéidreacha;
dhéhéidreacha²
Comparative níos déhéidrí
Superlative is déhéidrí

¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.

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Mutation

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Irish mutation
Radical Lenition Eclipsis
déhéidreach dhéhéidreach ndéhéidreach
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

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