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

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, 14 Apr. 2026

New video shows the moment that the Artemis II astronauts were welcomed back to Earth as a Navy medical team opened the hatch to their Orion module after the crew splashed down safely in the Pacific following their historic journey around the moon. —Stephen Sorace, FOXNews.com, 14 Apr. 2026

Among the specific research studies being delivered are quantum science module that could advance the hunt for dark matter, as well as improve computing technology and the equipment needed to increase therapeutic stem cell production to treat cancer and blood diseases. —Robert Z. Pearlman, Space.com, 13 Apr. 2026

According to Sierra Space—the division of the Sierra Nevada Corporation that now operates the spacecraft—an unpiloted version of Dream Chaser had been slated to resupply the ISS at least seven times, using a detachable module to deliver up to six tons of cargo. —Tom Metcalfe, Scientific American, 13 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