Definition of Dissertation

a long essay on a particular subject, especially one written as a requirement for the Doctor of Philosophy degree

Examples of Dissertation in a sentence

While pursuing his doctoral degree, the Ph.D. candidate elected to write his final thesis on the impact that depression during pregnancy can have on fetal development. 🔊

Although he thought that his dissertation was solidly written, the graduate student was asked to write the thesis on a different topic. 🔊

Using study results on the behavior of abandoned infants into adulthood, the doctoral student’s dissertation defended the theory that abandonment can breed mental illness. 🔊

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