module
n. countablen. one part of a larger system or course that can work on its own. You can often combine different modules to build a complete machine or a full degree program.
n. a self-contained unit or component of a larger system, designed to be easily replaced or combined with other parts. In an educational context, it refers to a distinct unit of study within a curriculum.
The first module of the course covers basic grammar.
Engineers designed the spacecraft in separate modules so that the living quarters could detach from the main engine.
The software architecture relies on independent modules, allowing developers to update the payment processing system without affecting the user interface or the database.
Borrowed from French module, from Latin modulus (“a small measure, a measure, mode, meter”), diminutive of modus (“measure”) (whence mode). Doublet of modulus and mold.
Commonly used in technical, educational, and computing contexts to describe modularity.