disinfectant /dɪs.ɪnˈfɛktənt/adjective 1noun 1forms 1 adjective1 •Serving to kill germs or viruses.I washed repeatedly with a disinfectant soap but I still caught the flu. noun1 •A substance that kills germs or viruses.The scalpels were soaked in disinfectant before the operation so disease wouldn't be spread. formsdisinfectants
