Definition of annotation noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌænəˈteɪʃn//
; NAmE NAmE//ˌænəˈteɪʃn//
[countable, uncountable]
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a note or notes added to a book or text giving explanations or comments; the act of adding these notes It will be published with annotations and an index. The new edition is based on previously unpublished manuscripts with full annotation. The software allows annotation of photos for telling stories.