Bactericide
/bækˈtɪrɪsaɪd/
Definition 1 of 1
Pro Tip 1/3Medical Context
Bactericide is often used in medical treatments to describe agents that can kill harmful bacteria. 
The surgeon used a bactericide to sterilize the instruments.
Pro Tip 2/3Not Antibiotic
While 'antibiotic' often refers to medicine taken by patients, 'bactericide' can represent any bacteria-killing substance. 
The cleaning solution acts as a bactericide but is not meant for human consumption.
Pro Tip 3/3Specific Use
Bactericide specifically targets bacteria, not viruses or other microorganisms. 
When dealing with a viral infection, a bactericide would not be effective.