S5

S5 or S-5 may be:

Science

• Pentasulfur (S₅), an allotrope of sulfur
• S₅, the symmetric group on five elements
• S5: Keep contents under ... (appropriate liquid to be specified by the manufacturer), a safety phrase in chemistry
• Sacral spinal nerve 5, a spinal nerve of the sacral segment
• S5, the fifth sacral vertebra of the vertebral column, in human anatomy

Technology

• S5 (file format), for defining slideshows
• Samsung Galaxy S5, an Android smartphone by Samsung
• Simatic S5 PLC, a programmable logic controller family by Siemens
• ACPI S5 power state, of the Advanced Configuration and Power Interface in computing

Cameras

• Canon PowerShot S5 IS, a 2007 8.0 megapixel bridge digital camera
• Coolpix S5, a 6 Megapixels Nikon Coolpix series digital camera
• FinePix S5 Pro, a 2006 digital single lens reflex camera by Fujifilm

Transportation

• ALCO S-5, and American diesel switching (shunting) locomotive
• Audi S5, a car model
• County Route S5 (California), a county route in California
• Prussian S 5, an 1894 steam locomotives class; see List of Prussian locomotives and railbuses
• Rans S-5 Coyote, an ultralight aircraft
• Sikorsky S-5, Igor Sikorsky's first successful aircraft design
• Supermarine S.5, a 1920s British single-engined single-seat racing seaplane
• USS S-5 (SS-110), a 1919 S-class submarine of the United States Navy
• Shuttle America (IATA airline code: S5)
• Trast Aero, (IATA airline code: S5)
• Bandon State Airport (FAA code: S05)

Lines

• FGC line S5, a suburban train line in Barcelona Province
• S5 (Rhine-Ruhr S-Bahn) of the Rhein-Ruhr S-Bahn
• S5 Shanghai–Jiading Expressway in Shanghai, China
• S5 (Berlin), a S-Bahn line
• S5 (Munich), a S-Bahn line in Munich
• S5 (ZVV), a S-Bahn line in the cantons of Zürich, St. Gallen and Schwyz in Switzerland
• S5, a Hanover S-Bahn line
• S5, a Rhine-Main S-Bahn line
• S5, a Stuttgart S-Bahn line
• S5, a Zürich S-Bahn line
• S5, a Stadtbahn Karlsruhe line

Other uses

• S5 (modal logic), in logic and philosophy
• S-5 rocket
• S5 (classification), a disability swimming classification
• British NVC community S5, a swamps and tall-herb fens community in the British National Vegetation Classification system
• Fifth year, in the Scottish education system
• S5, a public affairs officer within military units; see staff
• S5 postcode, in the S postcode area covering areas of northern Sheffield

See also

• SysV, the UNIX System V