From Latin *lūminātiō, *lūminātiōnem (“illumination”), from lūminār, lūmināre (from lūminō (“to brighten, to illuminate; to reveal (throw light on)”), from lūmen (“light”) (probably from lūx (“light”) + -men (“suffix forming neuter nouns of the third declension”)), from Proto-Indo-European *lewk-s-men (“light”) (from Proto-Italic *louks, from Proto-Indo-European *lewk- (“bright; light; white”) + *-mn̥ (“suffix indicating a noun”))) + Latin -tiō, -tiōnem (“-tion, suffix forming a noun relating to some action or the result of an action”) (from Proto-Italic *-tiō, from Proto-Indo-European *-tis (“suffix forming nouns from verbs”)).
- (Received Pronunciation) IPA(key): /l(j)uːmɪˈneɪʃən/
- (Received Pronunciation) IPA(key): /luməˈneɪʃən/
- Hyphenation: lu‧mi‧na‧tion
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.