<p><strong>Noun</strong></p><ul><li>the act of effusing or pouring forth</li><li>something that is effused</li><li>an unrestrained expression, as of feelings: poetic effusions</li><li>the escape of a fluid from its natural vessels into a body cavity</li><li>the fluid that escapes</li><li>the flow of a gas through a small orifice at such density that the mean distance between the molecules is large compared with the diameter of the orifice</li></ul>