Monograph: meaning, definitions and examples

A monograph is a detailed written study or discussion on a single specialized subject or an aspect of it, often by a single author. It is typically used in academic or professional contexts.

• The scientist's latest monograph on climate change has been widely praised.
• She published a monograph about the migration patterns of birds.

A treatise is a formal and systematic written discussion of a topic, often broader and more comprehensive than a monograph. It can address larger areas of knowledge and is usually more in-depth than other forms.

• The philosopher wrote a treatise on the nature of human existence.
• His treatise on agricultural practices was influential in the field.

A thesis generally refers to a significant piece of academic writing required for a master's degree or other postgraduate qualification. It presents the author's research and findings.

• Her master's thesis explored the impact of social media on adolescent mental health.
• He's writing his thesis on renewable energy technologies.

A dissertation is a long piece of writing on a particular subject, usually written as a requirement for a doctoral degree (PhD). It's typically the result of original research.

• He spent three years working on his dissertation on ancient Roman architecture.
• She defended her dissertation last month and was awarded her PhD.