1. (noun) something a little different from others of the same type

• variant
• variation
• version

1. (noun) the form in which a text (especially a printed book) is published

• limited edition
• variorum
• variorum edition

2. (noun) an issue of a newspaper

• extra

1. (noun) the form in which a text (especially a printed book) is published

• impression
• printing

2. (noun) all of the identical copies of something offered to the public at the same time

• group
• grouping

3. (noun) an issue of a newspaper

• issue
• number

4. (noun) something a little different from others of the same type

• type

1. (noun) something a little different from others of the same type

• alter
• alter
• change
• change
• vary
• vary
• variant