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.