SEC (disambiguation)

SEC is a TLA which can refer to:

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• In general context, an abbreviation for second.
• In mathematics and geometry, an abbreviation for secant.
• U.S. Securities and Exchange Commission
• Singapore Environment Council
• Southeastern Conference
• Space Environment Center
• single error correction (see error correcting code)
• State Examinations Commission, Ireland
• State Electricity Commission, Victoria, Australia (defunct)
• Size Exclusion Chromatography
• Shielks Elite Commandos
• Simple Electronic Computer, a computer from about 1950