disquisition.

A detailed, sustained examination of a subject, usually in speech or writing.

Use it for

Words that belong together

• a disquisition on history
• a lengthy disquisition

On the page

His disquisition on the building’s history began before anyone asked about the locked door.

She shortened the disquisition but retained the distinction it established.

Usage notes

Primary category: literary. Forms: Singular disquisition; plural disquisitions. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.