module

noun

mod·​ule ˈmä-(ˌ)jül 

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

Marco Ernst, PhD, a researcher at Fraunhofer ISE and developer of the ShadeCut concept, emphasized that by structuring and cutting a color-producing film, the team can embed color effects and complex patterns directly into solar modules and facades. —Georgina Jedikovska, Interesting Engineering, 23 Apr. 2026

The makers have recently listened to community feedback and added a transparent dust-collecting front guide module to keeps drill debris contained in the unit without obscuring your view. —New Atlas, 21 Apr. 2026

Research and training have led to a better safety climate on dairy farms through the development and delivery of training modules. —Lorann Stallones, The Conversation, 21 Apr. 2026

Following launch, astronauts aboard the International Space Station will use the Canadarm2 robotic arm to capture Cygnus and install the spacecraft to the Unity module’s Earth-facing port for cargo unloading. —Richard Tribou, The Orlando Sentinel, 19 Apr. 2026

Word History

Etymology

Latin modulus

First Known Use

circa 1628, in the meaning defined at sense 1

Phrases Containing module

• command module
• lunar module
• service module

Rhymes for module

• nodule

Kids Definition

module

noun

mod·​ule ˈmäj-ü(ə)l 

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