coauthor

Meanings

1. 1
   noun

   a person who writes a book, article, or other work jointly with another author

   Her coauthor contributed the chapters on experimental design.

2. 2
   verb

   to write a work jointly with one or more other people

   The two researchers coauthor a review article every few years.

From co- ("jointly, together") + author. The word functions both as a noun for a joint writer and as a verb for writing collaboratively.

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