Used mostly in formal academic or intellectual discussions, not casual conversation. His disquisition on European politics was published in a scholarly journal.
Pro Tip 2/3
Lengthy Text
It usually refers to an extensive or comprehensive written work. She spent months preparing her disquisition for the doctoral committee.
Pro Tip 3/3
Deep Insight
Implies a deep exploration of a subject, often with expert analysis. The professor's disquisition provided new insights into the effects of climate change.