Source : Webster's Revised Unabridged Dictionary (1913)

Conduction \Con*duc"tion\ (k[o^]n*d[u^]k"sh[u^]n), n. [L.
   conductio a bringing together: cf. F. conduction.]
   1. The act of leading or guiding. --Sir W. Raleigh.

   2. The act of training up. [Obs.] --B. Jonson.

   3. (Physics) Transmission through, or by means of, a
      conductor; also, conductivity.

            [The] communication [of heat] from one body to
            another when they are in contact, or through a
            homogenous body from particle to particle,
            constitutes conduction.               --Amer. Cyc.

Source : WordNet®

conduction
     n : the transmission of heat or electricity or sound [syn: {conductivity}]