8723 abbreviations
Abbreviation Meaning
SE Societas Europaea (form of business organization in the EU)
SE South-east
SE Sweden (ISO 3166 digram)
SE Synthetic Environment
SE System Engineering
se — (s) Northern Sami language (ISO 639 1 code)
SEAL — (p) SEa Air-Land
SeaWiFS — (p) Sea Viewing Wide Field of View Sensor (satellite instrument)
SEC U.S. Securities and Exchange Commission
SEC Security
SEC Southeastern Conference
SEM — (i/a) Sensor Employment Manager Switch to Email Mode, i.e. stop texting as it is more disruptive by making a sound or vibrating and email instead, for a given time
SEN Senegal (ISO 3166 trigram)
SEN Small Extension Node
SEP Somebody Else’s Problem
SEP Spherical Error Probable
SEP System Enhancement Package
SEP System Engineering Plan
SEPTA — (i) Southeastern Pennsylvania Rapid Transit Authority
SEU Single Event Upset (solid state physics)
SEU Slightly Enriched Uranium
SEU Special Evidence Unit
SF Fleet Submarine (retired US Navy hull classification)
SF San Francisco
SF Science fiction
SF South Africa (FIPS 10-4 country code)
SF Speculative fiction
SF Special Forces
SFE Supercritical fluid extraction
SFE Sydney Futures Exchange
SG Senegal (FIPS 10-4 country code)
SG Singapore (ISO 3166 digram)
SG Snow Grains (METAR Code)
SG Study Group
sg — (s) Sango language (ISO 639 1 code)
SGC Server Gated Cryptography
SGC Stargate Command
SGS South Georgia and the South Sandwich Islands (ISO 3166 trigram)
SGS Svalbard Ground Station (Landsat)
SGS Société Générale de Surveillance
SH Saint Helena (ISO 3166 digram)
SH SONATRACH (Algerian petroleum company)
sh — (s) Serbo Croatian language (ISO 639-1 code)
SHAC Stop Huntingdon Animal Cruelty
SHAC Student Health Action Coalition
SHO Showtime (see also sho.com)
SI Slovenia (ISO 3166 and FIPS 10-4 country code digram)
SI Socialist International
SI Sports Illustrated
SI Système International (French, International System of Units)