RSS is a three-letter abbreviation that can stand for a wide variety of terms:

Contents 1 Mathematics 2 Technology 3 Medicine 4 Organizations 5 Music 6 Planning law

[edit] Mathematics

• Root-sum-square, the square root of the sum of the squares of the elements of a data set
• Residual sum of squares in statistics

[edit] Technology

• RSS (file format), "Really Simple Syndication" or "Rich Site Summary", a family of web feed formats
• Radio Service Software, a proprietary suite of programs sold by Motorola
• Resident Set Size, the portion of a process that exists in physical memory (RAM)
• Rotary steerable system, a tool used in the drilling industry
• Received Signal Strength, a technique used to locate nodes in Wireless Sensor Networks
• Reduced Space Symbologies, a family of barcodes now renamed to GS1 DataBar

[edit] Medicine

• Repetitive strain injury, also Repetitive stress syndrome, an overuse syndrome
• Russell-Silver syndrome

[edit] Organizations

• Radio Security Service, a British signals intelligence group during World War II
• Rashtriya Swayamsevak Sangh, a right-wing Indian Hindu organization
• Rashtra Sevika Samithi, a women wing of Rashtriya Swayamsevak Sangh
• Red Swastika School, Singapore
• Red Swastika Society
• Regional Security System, an agreement between several countries situated in the Eastern Caribbean region
• Riverside Secondary School, Windsor, Ontario, Canada
• RiverStar Software, USA
• Robert Smyth School, Leicestershire, England
• Rockdale, Sandow and Southern Railroad
• Royal Statistical Society, the main scientific and professional body for statisticians in the UK
• Royal Stuart Society, a Jacobite and Legitimist organization in the United Kingdom

[edit] Music

• Rock Star Supernova, a reality TV formed supergroup
• Rockstar: Supernova, the reality TV show which found the above group's singer
• Rock Star Supernova (album), the debut album of the above supergroup

[edit] Planning law

• Regional Spatial Strategy provides a regional level planning framework for the regions of England

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