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

Located in Mohave County, 20 miles north of Lake Havasu City, the facility spans more than 2,000 acres and will incorporate over 760,000 solar modules alongside more than 300 battery storage containers. — Maria Mocerino, Interesting Engineering, 10 Oct. 2026

Sign up at the module box above or at this link to stay up to date. — Daniel Hernandez, Los Angeles Times, 7 Oct. 2026

Moreover, there’s no medical school module on how much any of these comorbidities affects the true cost of the hospitalization. — Leah Pierson, STAT, 6 Oct. 2026

Here, a modest slide-out wall module expands the width of the motorhome interior to carve out extra space for a cozy home theater-style setup with two side-facing power recliners split far enough apart to fit a drinks/snacks table between them. — New Atlas, 6 Oct. 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