Noun
The act of pouring out; as, effusion of water, of blood, of grace, of words, and the like.
That which is poured out, literally or figuratively.
The escape of a fluid out of its natural vessel, either by rupture of the vessel, or by exudation through its walls. It may pass into the substance of an organ, or issue upon a free surface.
The liquid escaping or exuded.
Source: Webster's dictionaryIn her speech, she thanks Margo, Bill, Lloyd and Karen with characteristic effusion, while all four stare back at her coldly. Source: Internet
; Pericardial effusion : The serous pericardium normally contains fluid that reduces friction, but an abnormal accumulation of fluid in the pericardium is called a pericardial effusion. Source: Internet
There they found the death of Attila accomplished by an effusion of blood, without any wound, and the girl with downcast face weeping beneath her veil. Source: Internet
In the same way, in the latter case, regarding effusion of a gas through a pin hole into a vacuum, Graham deduced that the rate of effusion of a gas is inversely proportional to the square root of its molar mass. Source: Internet
It reminds you more of a speech than of a mere effusion; of a letter rather than a secret diary. Source: Internet