disinfectant
n. C / U B2 Upper Intermediate US //dɪsɪnˈfɛktənt// UK //dˌɪsɪnfˈɛktənt// dis·in·fec·tant
n. a liquid or spray used to kill germs and bacteria on surfaces. You use it to clean floors, counters, or your hands to keep them safe from illness.
n. a substance used to destroy or inhibit the growth of microorganisms on inanimate surfaces. Often distinguished from antiseptics, which are applied to living tissue.
Wipe the kitchen counter with a disinfectant after cooking.
The hospital staff uses a strong disinfectant to clean the floors and equipment after every patient visit.
While a mild soap removes dirt and some bacteria, a hospital-grade disinfectant is required to ensure the complete eradication of pathogens from high-touch surfaces.
From disinfect + -ant, borrowed from French désinfectant.