A module is an individual part that combines with other components to make different things. You might have one module that's a cube, and another that's a slab of wood.

The reactor was built in modules that were assembled later at the site. A module is also a part of a spacecraft that can operate independently from the main part.

A module is one of the separate parts of a course taught at a college or university.

a separable component or self-contained segment of something else: an office module; a standard unit for measuring; in computers, a program or part that performs a distinct function

Definition of module noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

ModulArt, a technique used in contemporary art where a large-structure painting is made up of multiple smaller modules.

May 9, 2026 · Noun module (plural modules) A self-contained component of a system, often interchangeable, which has a well-defined interface to the other components.