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

enervation \en`erva"tion\, n. l. enervatio: cf. f.
   'enervation.
   1. the act of weakening, or reducing strength.
      1913 webster

   2. the state of being weakened; effeminacy. --bacon.
      1913 webster

[2] : WordNet (r) 2.0

enervation
     n 1: lack of vitality; "an enervation of mind greater than any
          fatigue"
     2: serious weakening and loss of energy syn: debilitation, enfeeblement,
         exhaustion
see also:
debilitation enfeeblement exhaustion 

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