secernment

from WordNet (r) 3.0 (2006)

secernment
    n 1: the organic process of synthesizing and releasing some
         substance [syn: {secretion}, {secernment}]
    2: the cognitive process whereby two or more stimuli are
       distinguished [syn: {discrimination}, {secernment}]

from The Collaborative International Dictionary of English v.0.48

Secernment \Se*cern"ment\, n. (Physiol.)
   The act or process of secreting.
   [1913 Webster]