What is "sph"

SPH can refer to:

• an abbreviation for the non- SI unit dioptre
• an abbreviation for the non- SI printing unit sheet per hour
• Sion Panvel Highway
• Singapore Press Holdings, along with its defunct television company, SPH MediaWorks
• Smoothed particle hydrodynamics
• Sekolah Pelita Harapan, a network of private Christian international schools in Indonesia
• Self-propelled howitzer
• Standard primary habitability
• Sphingomyelin
• Strategically Placed Hole (term used by plushophiles to refer to holes for sexual use)
• Standard Project Hurricane (term used by the U.S. Army Corps of Engineers when originally designing levees in New Orleans)
• Sound Protective Helmet, a type of Flight helmet used by many military pilots.