Meaning of the word dissertation in English

What does dissertation mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

dissertation

US /ˌdɪs.ɚˈteɪ.ʃən/
UK /ˌdɪs.ɚˈteɪ.ʃən/
"dissertation" picture

Noun

1.

a long essay on a particular subject, especially one written as a requirement for a university degree or diploma

Example:
She spent a year writing her doctoral dissertation.
His master's dissertation focused on medieval history.
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