Definition of metadata noun from the Oxford Advanced American Dictionary

 

metadata

 noun
noun
NAmE//ˈmɛt̮əˌdeɪt̮ə//
 
, NAmE//ˈmɛt̮əˌdæt̮ə//
 
[uncountable]
 
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information that describes other information in order to help you understand or use it In the metadata she found the author and location of the file.
See the Oxford Advanced Learner's Dictionary entry: metadata