Source : Webster's Revised Unabridged Dictionary (1913)

Disinfect \Dis`in*fect"\, v. t. [imp. & p. p. {Disinfected}; p.
   pr. & vb. n. {Disinfecting}.]
   To free from infectious or contagious matter; to destroy
   putrefaction; to purify; to make innocuous.

         When the infectious matter and the infectious matter
         and the odoriferous matter are one . . . then to
         deodorize is to disinfect.               --Ure.

Source : WordNet®

disinfect
     v : destroy microorganisms or pathogens by cleansing; "disinfect
         a wound" [ant: {infect}]