Computing •
.sn, the country-code top level domain of Senegal • sn, the
surname attribute of the
Lightweight Directory Access Protocol Mathematics •
Symmetric group or S
n •
n-sphere or
Sn •
sn (elliptic function), one of Jacobi's elliptic functions
Meteorology • SN,
METAR code for snow •
Spotter Network, a system for reporting location and severe weather observations of storm spotters and chasers
Other uses in science and technology •
Savin–Norov machine gun •
Space Network, a NASA relay satellite system • Stereospecific numbering in compounds such as
glycerophospholipids •
Sthene, an obsolete unit of force or thrust in the metre-tonne-second system of units •
Substantia nigra, a brain structure •
Supernova, a stellar explosion, in astronomy and cosmology •
Tin, symbol Sn, a chemical element ==Other uses==