Fluid accumulation (i e pericardial effusion is a fluid accumulation in the heart that surrounds the heart)
If someone expresses their emotions or ideas with effusion, they express them with more enthusiasm and for longer than is usual or expected. I did not embarrass her with my effusions
the flow of a gas through a hole of dimensions small in comparison with the distance between molecules
Accumulation of fluid, in various spaces in the body, or the knee itself Commonly, the knee has an effusion after an injury Electrical Galvanic Stimulation (EGS) - An electrical therapeutic modality that sends a current to the body at select voltages and frequencies in order to stimulate pain receptors, disperse edema, or neutralize muscle spasms among other functional applications