[1] : The Collaborative International Dictionary of English v.0.48

effusion \effu"sion\, n. l. effusio: cf. f. effusion.
   1. the act of pouring out; as, effusion of water, of blood,
      of grace, of words, and the like.
      1913 webster

            to save the effusion of my people's blood. --dryden.
      1913 webster

   2. that which is poured out, literally or figuratively.
      1913 webster

            wash me with that precious effusion, and i shall be
            whiter than sow.                      --eikon
                                                  basilike.
      1913 webster

            the light effusions of a heedless boy. --byron.
      1913 webster

   3. pathol.
      a 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.
      b the liquid escaping or exuded.
          1913 webster

[2] : WordNet (r) 2.0

effusion
     n 1: an unrestrained expression of emotion syn: gush, outburst,
           blowup, ebullition
     2: flow under pressure
see also:
gush outburst blowup ebullition 

Effusion >> E Words
Effusion, definition of term: Effusion
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