|1.||an unrestrained outpouring in speech or words|
|2.||the act or process of being poured out|
|3.||something that is poured out|
|4.||the flow of a gas through a small aperture under pressure, esp when the density is such that the mean distance between molecules is large compared to the diameter of the aperture|
|a. the escape of blood or other fluid into a body cavity or tissue|
|b. the fluid that has escaped|
effusion ef·fu·sion (ĭ-fyōō'zhən)
The escape of fluid from the blood vessels or lymphatics into the tissues or a cavity.
The fluid so escaped.