In chemistry, Effusion is the process of gases passing through a small hole (see this article). The word "effusion" has several other meanings.
*In literature, "effusion" is the process of "opening the flood gates" to one's emotions, so to speak.
*In medicine, an "effusion" is an abnormal collection of fluid in a body cavity or space, e.g.
pleural effusion, Pericardial effusion
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