Source : Webster's Revised Unabridged Dictionary (1913)

Transduction \Trans*duc"tion\, n. [L. transducere, traducere,
   -dictum, to lead across or over. See {Traduce}.]
   The act of conveying over. [R.] --Entick.

Source : WordNet®

transduction
     n 1: (genetics) the process of transfering genetic material from
          one cell to another by a plasmid or bacteriophage
     2: the process whereby a transducer accepts energy in one form
        and gives back related energy in a different form; "the
        transduction of acoustic waves into voltages by a
        microphone"