PostScript Trademark A high-level device-independent page description language developed by Adobe Systems Inc. It is a de facto graphical device interface standard. PostScript accurately defines pages of text and graphics, which can be rendered at a variety of resolutions. Support for PostScript is often incorporated into the output device. See also encapsulated PostScript, PDF.

post·script / ˈpōs(t)ˌskript/ • n. an additional remark at the end of a letter, after the signature and introduced by “P.S.”: he added a postscript: “Leaving tomorrow.” ∎  an additional statement or action that provides further information on or a sequel to something: as a postscript to this, Paul did finally marry.

PostScript • n. trademark Comput. a page description language that is an industry standard for outputting high-resolution text and graphics: PostScript files.