The meaning of the Acronym ISPM is...

ISPM is

• Interplanetary Shock Propagation Model

More Meanings For ISPM:

• In-Situ Particle Monitor
• Interplanetary Shock Propagation Model
• Institute of Synthetic Polymeric Materials
• International Standard for Phytosanitary Measures
• International Standard for Phytosanitary Measure
• Invasive Species and Pest Management
• International Solar Polar Mission

ISPM is also in:

• Electronics
• Environmental
• NASA
• Ocean Science
• Products
• Universities