Word Study
disquisition
OXFORD DICTIONARY
disquisition, n. a long or elaborate treatise or discourse on a subject.
Derivative
disquisitional adj.
Etymology
F f. L disquisitio (as DIS-, quaerere quaesit- seek)
ROGET THESAURUS
disquisition
Dissertation
N dissertation, treatise, essay, thesis, theme, monograph, tract, tractate, tractation, discourse, memoir, disquisition, lecture, sermon, homily, pandect, excursus, commentary, review, critique, criticism, article, leader, leading article, editorial, running commentary, investigation, study, discussion, exposition, commentator, critic, essayist, pamphleteer, discursive, discoursive, disquisitionary, expository.For further exploring for "disquisition" in Webster Dictionary Online