Main Page | See live article | Alphabetical index MOS means several things; an acronym for Member of the Opposite Sex. an acronym for metal oxide semiconductor. See MOSFET (metal oxide semiconductor field effect transistor). See also List of acronyms This is a disambiguation page. If you followed a link here, you might want to go back and fix that link. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.