exposition.

1. A clear, organized explanation of a subject or idea.

2. A public exhibition of products, achievements, or cultural material.

3. The section of a composition that first presents its principal musical material.

Use it for

Words that belong together

• careful exposition
• exposition of a theory

On the page

The book begins with a lucid exposition of the theory.

Usage notes

Primary category: academic / formal. Forms: Countable or uncountable by context; countable singular exposition; plural expositions. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: analysis, explanation. Commonness: moderately common.