multiauthor

/ˌmʌltiˈɔːθər/
adjective
  1. Having or involving more than one author; written or created by multiple people.
    • The research paper was a multiauthor project with contributors from three universities.
    • Multiauthor blogs often have a wider range of topics and perspectives.
    • They published a multiauthor anthology of short stories from around the world.
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