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## Description

**This acronym stands for:**

- SIN
- Social Insurance Number (Canada) (SIN)
- Sine (SIN)
- Sinus (SIN)
- Safety In Numbers (SIN)
- Silicon Nitride (SiN)
- Servicio de Inteligencia Nacional (Spanish: National Intelligence Service; Peru) (SIN)
- Servicio de Impuestos Nacionales (Spanish: National Tax Service; Bolivia) (SIN)
- Societ%C3%A0 Italiana di Nefrologia (SIN)
- Sinaloa (Estado de) (M%C3%A9xico) (SIN)
- Societ%C3%A0 Italiana di Neurologia (SIN)
- Shadow in the Night (song) (SIN)
- Northern Sinai (Egyptian automobile license plate) (SIN)
- Speech in Noise (audiology) (SIN)
- Servicio de Inteligencia Naval (Spanish: Naval Intelligence Service; Argentina and Chile) (SIN)
- Securities Industry News (SIN)
- Singapore, Singapore _ Changi International Airport (Airport Code) (SIN)
- South Australian Sex Industry Network (SIN)
- Self Inflicted Nonsense (SIN)
- Superconductor_Insulator_Normal Metal (aka Normal Metal_Insulator_Superconductor) (SIN)
- Substance Identification Number (United Nations) (SIN)
- Service Identification Number (SIN)
- Scottish Islands Network (SIN)
- Status Indication Normal Alignment (SS7) (SIN)
- Self_Implementation Notice (SIN)
- Synthetic Infant Nutrition (formula) (SIN)
- System Identification Network (SIN)
- Support Information Network (SIN)
- Self Induced Negativity (SIN)
- Scwerezeresches Institut f%C3%BCr Nuklearforschung (Switzerland) (SIN)
- Study Item Number (SIN)
- Stock Inventory Number (SIN)
- Spherically Integrated Nearfield (SIN)
- Standard Inventory Number (SIN)
- Strength in Numbers (SIN)
- Status Indicator Normal (telecommunications) (SIN)
- Sir Isaac Newton (SIN)
- Sistema Interligado Nacional (Portuguese: National Interconnected System, Brazil) (SIN)
- Scientific Information Network (SIN)
- Substitute It Now (International Chemical Secretariat) (SIN)

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