Treatise: meaning, definitions and examples

A formal and systematic written discourse on a subject, typically longer and more detailed than an essay. Often used in academic and professional contexts.

• She wrote a comprehensive treatise on the philosophy of language.
• His treatise on medieval literature is considered a significant contribution to the field.

A statement or theory that is put forward as a premise to be maintained or proved, or a long essay or dissertation involving personal research, written as part of a university degree.

• For my master’s thesis, I examined the social impact of renewable energy technologies.
• He defended his thesis on artificial intelligence before a panel of experts.

A lengthy, formal document that presents the research and findings of a candidate for a doctoral degree. It is often a requirement for completing a PhD.

• Her dissertation explored the impact of climate change on coastal ecosystems.
• He spent five years researching and writing his dissertation on quantum mechanics.

A detailed written study on a single specialized subject or an aspect of it, often written by a single author. Commonly used in scholarly contexts.

• The professor's monograph on ancient Roman architecture has been widely praised.
• She published a monograph detailing her findings on marine biology.

A formal and thorough written work that explores a particular subject in great detail, often academic or technical.

• The professor's treatise on quantum mechanics was published in a leading scientific journal.
• He spent years writing his treatise on medieval history.

A formal agreement between two or more nations or parties, usually related to peace, trade, or international relations. It is a political or legal document.

• The two countries signed a peace treaty to end the decades-long conflict.
• Environmental treaties have been crucial in addressing global climate change.

A detailed book commonly used to give instructions on how to operate or repair machinery, devices, or software. It is often technical and practical.

• I had to consult the car manual to change the tire.
• The software manual provides step-by-step instructions for installation and troubleshooting.

A practical guide that provides instructions and useful information on how to do specific tasks or understand certain topics. It is often concise and user-friendly.

• The employee handbook outlines the company's policies and procedures.
• She always carries a gardening handbook when working in her garden.