S: (n) MPEG (a set of standards adopted by the moving pictures experts group for the compression of digital video and audio data or a file of data compressed according to those standards)
S: (n) press, pressure, pressing (the act of pressing; the exertion of pressure) "he gave the button a press"; "he used pressure to stop the bleeding"; "at the pressing of a button"
S: (n) impression (the act of pressing one thing on or into the surface of another) "he watched the impression of the seal on the hot wax"