lucubration

== English == === Etymology === From the Latin lūcubrātiō (“nighttime study”), from lūcubrō (“work by artificial light”), from lūx (“light”). Compare luculent. === Pronunciation === Rhymes: -eɪʃən === Noun === lucubration (countable and uncountable, plural lucubrations) Intense and prolonged study or meditation; especially, late at night. The product of such study; often, writings. ==== Translations ====