S4
From Wikipedia, the free encyclopedia
S4 or S-4 may be:
- S4, a sustainability trends in fashion newsletter created by model Summer Rayne Oakes and found at S4trends.com
- S4 algebra, a variety of modal logic, also called Interior algebra
- S4 inc., Burlington, Massachusetts, top secret facility clearance mission-critical support services to customers like the Department of Homeland Security and U.S. Air Force [1]
- S4 safety phrase, see List of S-phrases
- S4 prediastolic gallop (medicine), an abnormal heart sound often indicative of congestive heart failure or cor pulmonale
- Advanced Configuration and Power Interface (ACPI), S4 can refer to a sleeping state
- Audi S4
- SATA International (S4 IATA airline designator)
- Students for saving social security
- U.S. Army S4, for Supply Officer (S4 (military)
- Version 4 of S (programming language)
- fourth sacral vertebra in human anatomy, see vertebral column
- S4 In model railways, a highly accurate 4mm/1 ft modelling format
 |
This page disambiguates a two-character combination. If an article link referred you to this page, you may wish to change the link to point directly to the intended article. |
