Particle (ecology)
Pressure drop
Particle size
Capillary action
Mechanics
Capillary pressure
Drop (telecommunication)
Particle number
Core (optical fiber)
Particle-size distribution
Materials science
Porous medium
Mineralogy
Chemistry
Porosity
Thermodynamics
Physics
Composite material
Geology
Volume (thermodynamics)
Telecommunications
Oceanography
Physical chemistry
Computer science
