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 (“to shine”), Tocharian B plānt- (“to rejoice”). === Noun === lonracht f (genitive singular lonrachta) brightness, sheen (physics) luminescence ==== Declension ==== ==== 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 [Irish–English Dictionary], Dublin: An Gúm, →ISBN