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

Fully outfitted, the HALO module has a mass of 8 or 9 metric tons. — Eric Berger, ArsTechnica, 18 June 2026

These sheets were wrapped into spiral-wound modules, the exact shape used in existing industrial filtration plants worldwide. — Mrigakshi Dixit, Interesting Engineering, 18 June 2026

In particular, a short tunnel section dubbed PrK, which connects the Russian Zvezda module to the station’s aft docking port, has been leaking air on and off since at least 2019, alarming officials. — Victor Tangermann, Futurism, 18 June 2026

Others pitching their technology to would-be smart glasses makers included Himax, a Taiwanese company with a tiny display module that can project information into smart glass lenses as well as eye-tracking technology. — Larry Magid, Mercury News, 18 June 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