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)

brightness, sheen
(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

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