Source : Webster's Revised Unabridged Dictionary (1913)

Electrolyte \E*lec"tro*lyte\, n. [Electro- + Gr. ? a dissoluble:
   cf. F. ['e]lectrolyte.] (Physics & Chem.)
   A compound decomposable, or subjected to decomposition, by an
   electric current.

Source : WordNet®

electrolyte
     n : a solution that conducts electricity; "the proper amount and
         distribution of electrolytes in the body is essential for
         health"