lonracht

Irish

Etymology

From Old Irish lainnrech n (“brightness, sheen”), from lainner f (“light, lantern”), from Proto-Celtic *ɸlandrā, ɸlandros ?, from Proto-Indo-European *(s)pln̥d-rós (“light, glimmer”), from *(s)plend- (“to shine”). Compare Latin splendeō (“I shine”), Tocharian B plānt- (“to rejoice”).

Noun

lonracht f (genitive singular lonrachta)

1. brightness, sheen
2. (physics) luminescence

Declension

Declension of lonracht

Third declension

Bare forms (no plural for this noun): Case Singular Nominative lonracht Vocative a lonracht Genitive lonrachta Dative lonracht

Forms with the definite article: Case Singular Nominative an lonracht Genitive na lonrachta Dative leis an lonracht don lonracht

Synonyms

• (brightness): spéiriúlacht

Derived terms

• bithlonracht f (“bioluminescence”)
• leictrealonracht f (“electroluminescence”)
• radalonracht f (“radioluminescence”)

Related terms

• lonrach (“bright, shining, luminous; brilliant, resplendent”)
• lonrachas m (“bright quality; luminousness, luminosity”)
• lonradh m (“brightness, radiance, resplendence”)
• lonraigh (“shine; light up, illumine”, verb)

References

• Ó Dónaill, Niall (1977) “lonracht”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN