treatise
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treatise
A detailed, usually academic or specialist text that deals with a particular topic systematically and in detail.
Sie schrieb ihre Doktorarbeit als eine Abhandlung über die deutsche Literatur der Nachkriegszeit.
She wrote her doctoral thesis as a treatise on German literature of the postwar period.
'Die Abhandlung' (the treatise) is the noun related to the verb 'abhandeln' (to discuss/deal with). 'Ein Thema abhandeln' (to deal with a topic) means to discuss or describe it thoroughly and systematically. The treatise is the written result of this process.
In seinem neuen Buch behandelt der Historiker die Ursachen des Krieges ab.
In his new book, the historian deals with the causes of the war.
To name the topic of the treatise, the preposition 'über' (about/on) with the accusative is almost always used. The fixed structure is: eine Abhandlung über [Thema] (a treatise on [topic]).
Ich lese gerade eine spannende Abhandlung über künstliche Intelligenz.
I am currently reading an interesting treatise on artificial intelligence.
This word is mainly used in an academic or scholarly context. It refers to a formal, well-structured text and is not a word for everyday use.
Für das Seminar müssen wir eine kurze wissenschaftliche Abhandlung verfassen.
For the seminar, we have to write a short academic treatise.
study
'die Studie' and 'die Abhandlung' can both belong to an academic or specialist topic. 'Studie' mainly means an investigation that is intended to produce new findings. 'Abhandlung' means a detailed text that treats a topic in an organized and precise way. A treatise does not necessarily have to be a new investigation with data. Learners may confuse the words because both occur in serious specialist texts. When the focus is on research and results, 'Studie' fits better; when the focus is on a long, systematic text, 'Abhandlung' fits better.
Für das Seminar liest Mehmet eine Abhandlung über moderne Architektur.
For the seminar, Mehmet is reading a treatise on modern architecture.
Die Studie liefert neue Zahlen zum Verkehr in großen Städten.
The study provides new figures on traffic in large cities.