deˈodorizer [f. deodorize + -er.] Something that deodorizes; a deodorizing agent. 1849J. F. W. Johnston Exper.Agric. 265 Both as a fixer of ammonia, and as a deodoriser or remover of smells.1892Pall Mall G. 7 Sept. 2/1 The deodoriser is run through a six-inch pipe to the great sewer.