Separating meaning : To divide (a thing) into separate parts. To disunite from a group or mass; to disconnect. To cause (things or people) to be separate. To divide itself into separate pieces or substances. To set apart; to select from among others, as for a special use or service. An instance of separating. (zipper) Capable of being opened and having its two sided completely detached from one another rather than just being opened for most of its length.