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

Yarbo’s system gives you the option to buy new modules as they’re produced rather than have to ditch an entire drive system because a few components were upgraded. —Anthony Karcz, Forbes.com, 29 June 2025

Ask our service journalism team your top-of-mind questions in the module below or email [e-mail]. —Veronica Fernandez-Alvarado, Sacbee.com, 28 June 2025

The maker of solar modules and specialist in thin-film technology has climbed 26% since April 8. —Lisa Kailai Han, CNBC, 26 June 2025

The leaks, first identified in 2019, are located in a tunnel that connects a Russian module called Zvezda to a docking port that welcomes spacecraft carrying cargo and supplies. —Jackie Wattles, CNN Money, 25 June 2025

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