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 (dĭs′ər-tāt′) also dis·sert (dĭ-sûrt′)
intr.v. dis·ser·tat·ed, dis·ser·tat·ing, dis·ser·tates also dis·sert·ed or dis·sert·ing or dis·serts
1. To discourse formally.
2. To prepare a dissertation.

[Latin dissertāre, dissertāt-, frequentative of disserere, to discuss : dis-, dis- + serere, to connect; see ser- in Indo-European roots.]

dis′ser·ta′tor n.
References in classic literature ?
This learned dissertator, however valuable for his industry and erudition, is yet more to be esteemed for having dared so freely in the midst of France to declare his disapprobation of the Patriarch Oviedo's sanguinary zeal, who was continually importuning the Portuguese to beat up their drums for missionaries, who might preach the gospel with swords in their hands, and propagate by desolation and slaughter the true worship of the God of Peace.
Thus, for example, were a graduate student and dissertator in africology to be interested in the relation between metatropic (requiring dead organic matter for food) factors, iron smelting, and the eventual ruin of ancient Meroe in Sudan, not just for antiquarian reasons but to discern significance that is informative to contemporary humanity regarding their subspecies life, it is the resource force which would engender means whereby that work could be done empirically.
A recent University of Virginia dissertator found this to be true in his preparation of an edition of the first publication of Uncle Tom's Cabin, in the newspaper The National Era.
Kimberly Rostan is a dissertator and teacher at the University of Wisconsin-Madison.