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

 

disquisition

 noun
noun
BrE BrE//ˌdɪskwɪˈzɪʃn//
 
; NAmE NAmE//ˌdɪskwɪˈzɪʃn//
 
(formal)
 
jump to other results
a long complicated speech or written report on a particular subject Word Origin late 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