# module

> English word · Noun · IPA /ˈmɒd͡ʒuːl/ · frequency rank #8,455

## Definitions
1. A self-contained component of a system, often interchangeable, which has a well-defined interface to the other components.
2. A standard unit of measure used for determining the proportions of a building.
3. A section of a program; a subroutine or group of subroutines.
4. A unit of education covering a single topic.
5. A pre-prepared adventure scenario with related materials for a role-playing game.
6. An abelian group equipped with the operation of multiplication by an element of a ring (or another of certain algebraic objects), representing a generalisation of the concept of vector space with scalar multiplication.
7. A fractal element.
8. A file containing a music sequence that can be played in a tracker (also called mod or music module).
9. A contrivance for regulating the supply of water from an irrigation channel.
10. An independent self-contained unit of a spacecraft.

## Etymology
Borrowed from French module, from Latin modulus (“a small measure, a measure, mode, meter”), diminutive of modus (“measure”) (whence mode). Doublet of modulus and mold.

## Easily confused with
- **mole** (https://plainspell.com/en/vs/module-vs-mole)
- **mule** (https://plainspell.com/en/vs/module-vs-mule)
- **mouse** (https://plainspell.com/en/vs/module-vs-mouse)
- **mould** (https://plainspell.com/en/vs/module-vs-mould)
- **Mosul** (https://plainspell.com/en/vs/module-vs-mosul)
- **Mogul** (https://plainspell.com/en/vs/module-vs-mogul)
- **modus** (https://plainspell.com/en/vs/module-vs-modus)
- **morale** (https://plainspell.com/en/vs/module-vs-morale)
- **muddle** (https://plainspell.com/en/vs/module-vs-muddle)
- **modules** (https://plainspell.com/en/vs/module-vs-modules)
- **modulus** (https://plainspell.com/en/vs/module-vs-modulus)
- **mode** (https://plainspell.com/en/vs/mode-vs-module)
- **model** (https://plainspell.com/en/vs/model-vs-module)
- **modal** (https://plainspell.com/en/vs/modal-vs-module)
- **middle** (https://plainspell.com/en/vs/middle-vs-module)
- **mobile** (https://plainspell.com/en/vs/mobile-vs-module)
- **models** (https://plainspell.com/en/vs/models-vs-module)
- **meddle** (https://plainspell.com/en/vs/meddle-vs-module)
- **modular** (https://plainspell.com/en/vs/modular-vs-module)
- **modulate** (https://plainspell.com/en/vs/modulate-vs-module)

## Common misspellings (8)
`mdoule`, `mmodule`, `moddule`, `modlue`, `moduel`, `modulle`, `moudle`, `omdule`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/module