disinfectant /ˌdɪsɪnˈfɛktənt/ noun
plural disinfectants
disinfectant
/ˌdɪsɪnˈfɛktənt/
noun
plural disinfectants
Learner's definition of DISINFECTANT
: a chemical substance that is used to kill harmful germs and bacteria : a substance that disinfects something消毒剂;杀菌剂 [count]
[noncount]