1
: a standard or unit of measurement
2
: the size of some one part taken as a unit of measure by which the proportions of an architectural composition are regulated
3
a
: any in a series of standardized units for use together: such as
(1)
: a unit of furniture or architecture
(2)
: an educational unit which covers a single subject or topic
b
: a usually packaged functional assembly of electronic components for use with other such assemblies
the subwoofer module
4
: an independently operable unit that is a part of the total structure of a space vehicle
5
a
: a subset of an additive group that is also a group under addition
b
: a mathematical set that is a commutative group under addition and that is closed under multiplication which is distributive from the left or right or both by elements of a ring and for which a(bx) = (ab)x or (xb)a = x(ba) or both where a and b are elements of the ring and x belongs to the set

Examples of module in a Sentence

factories that build engines, transmissions, brakes, and other modules for cars a memory module for storing information
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
If the pair has time, Menon and Adenot also will attempt to replace a retroreflector on the forward port of the space station’s Harmony module, which will improve navigation data for docking spacecraft. Eric Lagatta, USA Today, 25 Aug. 2026 And the defense module can neutralize them via electronics-frying HPM emissions, knocking satellites out without creating a cloud of space debris. Mike Wall, Space.com, 25 Aug. 2026 Aethero is preparing to deploy its next-generation NxA-ECM compute module aboard its Titan mission in October. Neetika Walter, Interesting Engineering, 24 Aug. 2026 The most obvious difference between the new Fold and the old one is the rear camera module. Eric Zeman, PC Magazine, 24 Aug. 2026 See All Example Sentences for module

Word History

Etymology

Latin modulus

First Known Use

circa 1628, in the meaning defined at sense 1

Time Traveler
The first known use of module was circa 1628

Browse Nearby Words

Cite this Entry

“Module.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/module. Accessed 1 Sep. 2026.

Kids Definition

1
a
: any in a series of similar units for use together
b
: a usually packaged collection of parts (as for an electronic device)
2
: an independent unit of a space vehicle
a propulsion module

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