Source : Webster's Revised Unabridged Dictionary (1913)

Effluence \Ef"flu*ence\, n. [Cf. F. effluence.]
   1. A flowing out, or emanation.

   2. That which flows or issues from any body or substance;
      issue; efflux.

            Bright effluence of bright essence increate!
                                                  --Milton.

            And, as if the gloom of the earth and sky had been
            but the effluence of these two mortal hearts, it
            vanished with their sorrow.           --Hawthorne.

Source : WordNet®

effluence
     n : the process of flowing out [syn: {outflow}, {efflux}] [ant:
         {inflow}, {inflow}]