In academic publishing, a preprint is a draft of a scientific paper that has not yet been published in a peer-reviewed scientific journal. ==Role== Publication of manuscripts in a peer-reviewed journal often takes weeks, months or even years from the time of initial submission, because manuscripts must undergo extensive reviewer critique. The need... Found on http://en.wikipedia.org/wiki/Preprint
A reproduction of an advertisement which is viewed before actual publication and is created by an advertiser for special purposes, e.g., to serve as retail displays or to gain support from retailers.
Found on http://www.encyclo.co.uk/local/21023