# annotation

> English word · Noun · IPA /ˌænəˈteɪʃən/ · frequency rank #33,123

## Definitions
1. A critical or explanatory commentary or analysis.
2. A comment added to a text.
3. The process of writing such comment or commentary.
4. Metadata added to a document or program.
5. Information relating to the genetic structure of sequences of bases.

## Etymology
From Latin annotātiōnem, accusative singular of annotātiō (“remark, annotation”), from annotātus, perfect passive participle of annotō (“note down, remark”). Equivalent to annotate + -ion.

## Easily confused with
- **annexation** (https://plainspell.com/en/vs/annexation-vs-annotation)

## Common misspellings (13)
`annoattion`, `annotaiton`, `annotasion`, `annotatino`, `annotationn`, `annotatoin`, `annotattion`, `annottaion`, `annottation`, `anntoation`, `anontation`, `anotation`, `nanotation`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/annotation