An act or instance of something being edited(noun)
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Use "editing" in a sentence
"That is what he calls editing, which is the special duty of an"
"(To recap, the editing is a joint venture for separate publishers in Australia, the UK and the USA – same book, different editions, same publication date of November 2009.)"
"Collaboration has a long history in editing, which is one of the factors behind the easy accommodation of editorial projects in the digital realm."