1. a medicine that kills bacteria or prevents their growth, used to treat infections

1. having the ability to kill bacteria or prevent their growth

Examples

• The doctor prescribed an antibiotic to treat my strep throat.
• She took antibiotics for a week to clear up the infection.
• Penicillin was the first widely used antibiotic.
• The antibiotic cream helped heal the cut on his hand.
• Overuse of antibiotics can lead to resistant bacteria.
• This antibiotic treatment should eliminate the harmful bacteria.
• The antibiotic properties of the drug make it effective against infections.