ENGLISH
REFERENCE

module

n.
US //ˈmɑdʒuɫ// UK //mˈɒdjuːl// mod·ule
  1. 1 education unit (n.)
    B2 Upper Intermediate

    one part of a school or university course that focuses on a specific topic.

    a self-contained unit of instruction within a broader curriculum, typically assessed independently.

    Example

    In my second year, I chose a module on ancient history.

    Example

    The degree programme is structured into ten core modules, each designed to provide a comprehensive overview of modern economic theory.

    Usage

    often used with 'on' or 'in' to describe the subject matter.
  2. 2 computing/software (n.)
    B2 Upper Intermediate Technical Computing

    a separate part of a computer program that handles one specific task.

    a functional component of a software system that is developed and tested independently before being integrated.

    Example

    The developer updated the payment module to include new security features.

    Example

    By isolating the database logic into a separate module, the engineering team ensured that the interface could be updated without affecting data integrity.

    Usage

    frequently used in the context of modular programming.
Show 3 more sensesShow fewer
  1. 3 spacecraft part (n.)
    B2 Upper Intermediate Science

    a self-contained section of a spacecraft that has a special job.

    a detachable, independent section of a spacecraft designed for a specific function, such as landing or housing the crew.

    Example

    The lunar module detached from the main ship to land on the moon.

    Example

    The astronauts spent several hours in the service module performing routine maintenance on the life-support systems before the final descent.
  2. 4 interchangeable component (n.)
    C1 Advanced Technical

    a standard part of a machine or building that can be easily replaced or joined with others.

    a standardised unit or component used in construction or manufacturing that allows for flexible assembly and replacement.

    Example

    The office was built using modules that could be moved to change the room layout.

    Example

    The architect utilised prefabricated modules to accelerate the construction timeline while maintaining strict quality control across all residential units.
  3. 5 mathematics (n.)
    C2 Proficiency Academic Technical Math

    a special type of mathematical set used in advanced algebra.

    an algebraic structure consisting of an abelian group and a ring, acting as a generalisation of a vector space.

    Example

    The professor explained how a module differs from a simple vector space.

    Example

    In advanced linear algebra, the study of modules over a principal ideal domain provides a unified framework for understanding various structural theorems.

Origin

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.

Word family

© 2026 English Reference