DISSERTATION, noun [Latin , to discourse; to sow, that is, to throw.] 1. A discourse, or rather a formal discourse, intended to illustrate a subject. 2. A written essay, treatise or disquisition; as Plutarchs dissertation on the poets; Newtons dissertations on the prophecies.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI