dissertation
UK[ˌdɪsəˈteɪʃn]US[ˌdɪsərˈteɪʃn]
n
A long piece of writing on a particular subject, especially one written for a university degree.
Morpheme Breakdown
dis
sert
ation
dis
apart
sert
join
ation
noun suffix
Etymology
The word 'dissertation' originates from the Latin verb dissertare, meaning "to debate, discuss, or examine thoroughly," which is a frequentative form of disserere ("to arrange, discuss, examine"). Disserere itself is composed of the prefix dis- ("apart") and serere ("to join, link"). The literal sense is thus "to join or arrange ideas apart (i.e., in detail, point by point)." This evolved through Late Latin and French to denote a formal, detailed discourse. In modern academic English, it specifically refers to the lengthy, formal treatise required for an advanced degree, embodying the original notion of a methodically joined and separated (i.e., analyzed) argument.
Analysis
Structure: dis (apart) + sert (join) + ation (noun suffix)
- dis: Latin origin, a prefix meaning "apart," "asunder," or "in different directions." It functions as an intensifier or negator.
- sert: From Latin serere, meaning "to join, connect, or link together." In this word, it appears in its past participle stem form sert-.
- ation: A noun-forming suffix of Latin origin (-ationem), indicating an action or process, or the result of an action.
Examples
She is currently writing her doctoral dissertation on medieval philosophy.
The dissertation must demonstrate original research and critical analysis.
He successfully defended his dissertation before a panel of professors.