peiriadach

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Irish

Etymology

From peiriad (“period”) +‎ -ach.

Adjective

peiriadach (genitive singular masculine peiriadaigh, genitive singular feminine peiriadaí, plural peiriadacha, comparative peiriadaí)

  1. (chemistry, physics) periodic
    Antonym: aipeiriadach

Declension

Declension of peiriadach
singular plural (m/f)
Positive masculine feminine (strong noun) (weak noun)
nominative peiriadach pheiriadach peiriadacha;
pheiriadacha2
vocative pheiriadaigh peiriadacha
genitive peiriadaí peiriadacha peiriadach
dative peiriadach;
pheiriadach1 		pheiriadach;
pheiriadaigh (archaic) 		peiriadacha;
pheiriadacha2
Comparative níos peiriadaí
Superlative is peiriadaí

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

Derived terms

Mutation

Mutated forms of peiriadach
radical lenition eclipsis
peiriadach pheiriadach bpeiriadach

Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.

Further reading

Wikious
Boobota
Sagapedia