Annotation

//ˌænəˈteɪʃən// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A critical or explanatory commentary or analysis. countable, uncountable

    "She added an annotation in the margin to clarify the text."

  2. 2
    the act of adding notes wordnet
  3. 3
    A comment added to a text. countable, uncountable

    "make an annotation"

  4. 4
    a comment or instruction (usually added) wordnet
  5. 5
    The process of writing such comment or commentary. countable, uncountable
Show 2 more definitions
  1. 6
    Metadata added to a document or program. countable, uncountable
  2. 7
    Information relating to the genetic structure of sequences of bases. countable, uncountable

Synonyms

All synonyms
noteadversariaaide-memoireannotatingapparatus criticuscomment

Example

More examples

"In the ninth move of the game, White captured, with his piece at 25, two opponent pieces (on squares 20 and 09) and reached square 03. The annotation for this move would be: 9. 25 x 3."

Etymology

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

Related phrases

back-annotationmicro-annotation

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.