Definition of disquisition noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌdɪskwɪˈzɪʃn//
; NAmE NAmE//ˌdɪskwɪˈzɪʃn//
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a long complicated speech or written report on a particular subject Word Originlate 15th cent.: via French from Latin disquisitio(n-) ‘investigation’, based on quaerere ‘seek’. The original sense was ‘topic for investigation’, which became ‘discourse in which a subject is investigated’ (mid 17th cent.).
See the Oxford Advanced American Dictionary entry: disquisition