module
Americannoun
-
a separable component, frequently one that is interchangeable with others, for assembly into units of differing size, complexity, or function.
-
any of the individual, self-contained segments of a spacecraft, designed to perform a particular task.
the spacecraft's command module; a lunar module.
-
a standard or unit for measuring.
-
a selected unit of measure, ranging in size from a few inches to several feet, used as a basis for the planning and standardization of building materials.
-
Mathematics. an Abelian group with a set of left or right operators forming a ring such that for any two operators and any group element the result of having the first operator act on the element, giving a second element, and the second operator act on the second element is equal to the result of having a single operator, formed by adding or multiplying the two operators, act on the first element.
-
Computers.
-
part of a program that performs a distinct function.
-
an interchangeable, plug-in hardware unit.
-
noun
-
a self-contained unit or item, such as an assembly of electronic components and associated wiring or a segment of computer software, which itself performs a defined task and can be linked with other such units to form a larger system
-
a standard unit of measure, esp one used to coordinate the dimensions of buildings and components; in classical architecture, half the diameter of a column at the base of the shaft
-
a standardized unit designed to be added to or used as part of an arrangement of similar units, as in furniture
-
astronautics any of several self-contained separable units making up a spacecraft or launch vehicle, each of which has one or more specified tasks
command module
service module
-
education a short course of study, esp of a vocational or technical subject, that together with other such completed courses can count towards a particular qualification
Etymology
Origin of module
1555–65; < Latin modulus; modulus
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Developed by Lockheed Martin, the spacecraft includes a module where the astronauts live and work.
From The Wall Street Journal • Apr. 1, 2026
The company is moving to sell a comprehensive external laser module that serves as a source of light for large clusters of chips.
From MarketWatch • Mar. 18, 2026
Nvidia described the Vera Rubin module as being optimized for AI, enabling real-time sensing, decision making, and autonomous functioning.
From Barron's • Mar. 17, 2026
A university has issued a content warning for a literature module featuring Emily Brontë's Wuthering Heights, warning students it contains "distressing" material.
From BBC • Mar. 12, 2026
Such a module should have never been built in the first place, in my opinion.
From "The First State of Being" by Erin Entrada Kelly
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.