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Definition of Lucubration

Babylon English

learning, careful research (done at night); studiously researched production
Lucubration Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
The act of lucubrating, or studying by candlelight; nocturnal study; meditation.
  
(n.)
That which is composed by night; that which is produced by meditation in retirement; hence (loosely) any literary composition.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

lucubration
\lu`cu*bra"tion\ (?), n. [l. lucubratio;cf. f. lucubration.]
1. the act of lucubrating, or studying by candlelight; nocturnal study; meditation. after long lucubration i have hit upon such an expedient.
2. that which is composed by night; that which is produced by meditation in retirement; hence (loosely) any literary composition. thy lucubrations have been perused by several of our friends.

WordNet 2.0

Noun
1. a solemn literary work that is the product of laborious cogitation
(hypernym) literary composition, literary work
(derivation) elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expand, expound, dilate
2. laborious cogitation
(hypernym) cogitation, study