S5

Look up S5 in Wiktionary, the free dictionary.

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

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

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)

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

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