Definitions: (noun) An edition of a book, computer program, etc. is a copy that has been or will be published with changes or in another form.
Examples: (noun) The new paperback edition of the dictionary is coming out next week. (noun) It was first published in 1857, with a second slightly amended edition in 1858.
Synonyms: nouns: version, amendment, revision.
Academic Word List Sublist and Group: 6 B