(CGM) A staNdard file format for storage aNd commuNicatioN of graphical iNformatioN, widely used oNpersoNal computers aNd accepted by {desktop publishiNg} aNd techNical illustratioN systems. MIME type: image/cgm. ANSI/ISO 8632-1987. Worked oN by the ISO/IEC group JTC1/SC24. CGM OpeN CoNsortium . See also: WebCGM. (1999-02-16)