annotation.
A critical or explanatory commentary or analysis.
Meaning & usage
A critical or explanatory commentary or analysis.
She added an annotation in the margin to clarify the text.
A comment added to a text.
make an annotation
The manuscript was filled with helpful annotations.
The process of writing such comment or commentary.
Metadata added to a document or program.
Information relating to the genetic structure of sequences of bases.
Where this word comes from
From Latin annotātiōnem, accusative singular of annotātiō (“remark, annotation”), from annotātus, perfect passive participle of annotō (“note down, remark”). Equivalent to annotate + -ion.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.