What does the word dissertation mean?

Usage examples for dissertation

  1. The great superiority of this city as a market for hemp and its products, bagging and rope, is so obvious, so well known and so widely acknowledged, that any dissertation upon these merits is unnecessary here. – The History of Louisville, from the Earliest Settlement till the Year 1852 by Ben Casseday
  2. A few days later they began their lectures: Salmeron, with a commentary on the Epistle of St. Paul to the Romans; Canisius, with a dissertation on the Sentences of Peter Lombard; Le Jay, with an exposition of the Psalms. – Studies from Court and Cloister by J.M. Stone
  3. M. Formery continued his dissertation. – Arsene Lupin by Edgar Jepson Maurice Leblanc