annotation: meaning, definition, pronunciation and examples
B2Formal, Academic, Technical
Quick answer
What does “annotation” mean?
A note added to a text or diagram to explain or comment on it.
Audio
Pronunciation
Definition
Meaning and Definition
A note added to a text or diagram to explain or comment on it.
The process or result of adding explanatory metadata to data, such as labeling parts of an image, tagging genes in a genome, or adding comments to code.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent.
Connotations
Neutral and technical in both varieties.
Frequency
Slightly more frequent in academic/technical contexts globally; no notable UK/US frequency divergence.
Grammar
How to Use “annotation” in a Sentence
annotation of [noun]annotation on [noun]annotation that [clause]Vocabulary
Collocations
Examples
Examples of “annotation” in a Sentence
verb
British English
- Please annotate the manuscript in the margins.
- The students were asked to annotate the poem.
American English
- You need to annotate the code for clarity.
- Researchers annotated the genome sequence.
adverb
British English
- [Rare; 'annotatively' is non-standard]
American English
- [Rare; 'annotatively' is non-standard]
adjective
British English
- The annotation tool was very useful.
- She provided an annotation guide.
American English
- We use annotation software for the images.
- The annotation process is semi-automated.
Usage
Meaning in Context
Business
Rare, except in contexts like document review or data labeling projects.
Academic
Very common; refers to notes in texts, critical commentary, or the labeling of research data.
Everyday
Uncommon; a specialist term.
Technical
Very common; core term in computing (code annotation), linguistics (corpus annotation), and bioinformatics (genome annotation).
Watch out
Common Mistakes When Using “annotation”
- Misspelling as 'anotation' (single 'n').
- Using it as a verb (the verb is 'to annotate').
- Confusing with 'notation', which is a system of symbols.
FAQ
Frequently Asked Questions
Not exactly. A footnote is one specific type of annotation, usually at the bottom of a page. Annotation is a broader term for any explanatory note, which can be in margins, between lines, or attached digitally.
No, the verb form is 'to annotate'. 'Annotation' is strictly a noun.
In coding, a 'comment' is human-readable text ignored by the compiler, while 'annotation' (e.g., in Java) is structured metadata that can be processed by the compiler or framework to influence behaviour.
It's a B2-level word. Essential for academic or technical studies, but less common in general everyday conversation.
A note added to a text or diagram to explain or comment on it.
Annotation is usually formal, academic, technical in register.
Annotation: in British English it is pronounced /ˌæn.əˈteɪ.ʃən/, and in American English it is pronounced /ˌæn.əˈteɪ.ʃən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None directly associated]”
Learning
Memory Aids
Mnemonic
Think of ANNOTATION as ADDing a NOTE to EXPLAIN something (AN-NOTE-ATION).
Conceptual Metaphor
TEXT/CODE/IMAGE IS A DOCUMENT (that can be commented upon).
Practice
Quiz
In which context is 'annotation' LEAST likely to be used?