disquisition

/หŒdษชskwษชหˆzษชสƒ(ษ™)n/

IPA: /D IH0 S K W AH0 Z IH1 SH AH0 N/

noun
  1. 1

    A methodical inquiry or investigation.

  2. 2

    A lengthy, formal discourse that analyses or explains some topic; a dissertation or treatise.

Source: https://en.wiktionary.org/wiki/disquisition