Main Page | See live article | Alphabetical index SA or sa may stand for: arsine, a toxic gas samarium, until the 1920s, when the symbol Sm became universal Salvation Army San Antonio Saudi Arabia (ISO country code) seaman apprentice selective availability, the mechanism for deliberately degrading the precision of the civilian GPS network sine anno, used in bibliographies to indicate that a publication date is unknown social anxiety (also known as "social phobia" or "social anxiety disorder") Socialist Alliance Sociedad Anónima (Spanish), see S.A. (corporation) Société Anonyme (French), see S.A. (corporation) South Africa South America South Australia structured analysis (software engineering) Sturmabteilung (SA, Storm Troopers as in Nazi Germany) surface-to-air missile system administrator (computer industry) This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.