Look up SOP, sop, or Wiktionary:Glossary#S in Wiktionary, the free dictionary.

Sop, a piece of bread soaked in a liquid, or the verb associated with soaking bread in liquid.

SOP or sop may also refer to:

• Sop (West Papua), an island in Indonesian Papua
• Moore County Airport (North Carolina) (IATA code: SOP)
• Sop town, Radjasthan, India
• Sop, Croatia, a village near Rugvica
• State of Palestine, a country in West Asia

• SOP (variety show) in the Philippines
• Sons of the Patriots, a network in Metal Gear Solid 4: Guns of the Patriots
• An informal term for soprano, a type of the classical female singing voice

• Same-origin policy, a security measure
• SCSI over PCI Express
• Service-oriented programming
• Service-oriented provisioning

• Sales and operations planning, S&OP
• Standard operating procedure

• SOP (IRC), Super Operator
• Sensory organ precursor, for example in the NUMB gene
• Small outline package IC
• State of polarization in physics, for example Polarization (waves) § polarization state
• Structure–organization–process
• Sulphate of potash (potassium sulfate)
• Sum of products

• Sop language, spoken in Papua New Guinea
• Statement of purpose

• Sour sop, or soursop

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