noun
disinfectant; germicidal disinfectant
A chemical agent that both kills germs (殺菌) and disinfects (消毒). Often used in medical, food-service, and household contexts.
調理器具は殺菌消毒剤で洗浄してください。
Please wash cooking utensils with a disinfectant.
病院では強力な殺菌消毒剤が使われている。
Strong disinfectants are used in hospitals.
Compound of 殺菌 (さっきん, 'sterilization') + 消毒 (しょうどく, 'disinfection') + 剤 (ざい, 'agent').