Pronunciation: /bæk ˈnʌm.bər/
noun a previous issue or edition of a magazine or newspaper
A1 I found an interesting back number of a magazine at the library.
A2 The back number of the newspaper had an article about the local sports team.
B1 She collects back numbers of vintage comic books.
B2 The library has a special section for back numbers of academic journals.
C1 The rare back number of the first edition book was sold at an auction for a high price.
C2 Historians often refer to back numbers of historical documents to research past events.
adjective referring to something that is outdated or no longer current
A1 I found a back number magazine at the library.
A2 My grandmother loves listening to back number songs.
B1 The back number edition of the newspaper was full of interesting articles.
B2 She collects back number issues of vintage comic books.
C1 The back number statistics provided valuable insights for the research project.
C2 The back number documents were crucial in solving the historical mystery.
formal The library keeps a collection of back numbers of academic journals for reference.
informal I found some interesting articles in the back numbers of this magazine.
slang I scored a back number of that comic book I used to collect.
figurative His outdated views on the topic make him a back number in the field of technology.
back numbered
back numbers
more back number
most back number
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will back number
have back numbered
is back numbering
back number
back number
to back number
back numbering
back numbered