The meaning of the Acronym SP is...

SP is

• Spine, spinal
• Sleep Paralysis
• Soft Penis

More Meanings For SP:

• Soil Properties
• Spontaneous Potential
• Solubility Product
• Signal Processor
• Spear Point
• Standard Pressure
• Superultramodern Physics
• Sure Pass
• Satisfactory Progress
• Student Program
• Simple Productions
• Special Process
• Single Premium
• Starting Price
• Semidirect Product

SP is also in:

• Botany
• Chemistry
• Electronics
• Firms
• General
• Geology
• Physics
• Universities