Question

what does the word antibiotic mean?
a medicine that helps improve your hearing
a written note that allows you to buy certain medicine
a measurement of how much medicine to take
a medicine that fights living organisms that make you sick

Explanation:

Antibiotics are medications that target and combat bacteria and other microorganisms that cause illness. They work by either killing the pathogens or inhibiting their growth.

Answer:

a medicine that fights living organisms that make you sick