peiriadach
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Irish
[edit]Etymology
[edit]From peiriad (“period”) + -ach.
Adjective
[edit]peiriadach (genitive singular masculine peiriadaigh, genitive singular feminine peiriadaí, plural peiriadacha, comparative peiriadaí)
- (chemistry, physics) periodic
- Antonym: aipeiriadach
Declension
[edit]| 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
[edit]- tábla peiriadach (“periodic table”)
Mutation
[edit]| 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
[edit]- Ó Dónaill, Niall (1977) “peiriadach”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
- de Bhaldraithe, Tomás (1959) “peiriadach”, in English-Irish Dictionary, An Gúm
- “peiriadach”, in New English-Irish Dictionary, Foras na Gaeilge, 2013-2024