# magnitude

> English word · Noun · IPA /ˈmæɡnɪtjuːd/ · frequency rank #7,156

## Definitions
1. The absolute or relative size, extent or importance of something.
2. An order of magnitude.
3. A number, assigned to something, such that it may be compared to others numerically
4. Of a vector, the norm, most commonly, the two-norm.
5. A logarithmic scale of brightness defined so that a difference of 5 magnitudes is a factor of 100.
6. A logarithmic scale of brightness defined so that a difference of 5 magnitudes is a factor of 100.
7. A measure of the energy released by an earthquake (e.g. on the Richter scale).

## Etymology
From Latin magnitūdō (“greatness, size”), magnus + -tūdō.

## Common misspellings (13)
`amgnitude`, `maggnitude`, `magintude`, `magnitdue`, `magnittude`, `magnitudde`, `magnitued`, `magniutde`, `magnnitude`, `magntiude`, `mangitude`, `mganitude`, `mmagnitude`

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