antibiotic
Antibiotic (noun) means a medicine that kills bacteria or stops them from growing, used to treat bacterial infections. Example: “The doctor prescribed a course of antibiotics for her ear infection.”
How to use antibiotic
Learner’s notesIn plain EnglishA drug that fights off bacteria, not viruses.
Antibiotics treat bacterial infections, not viral ones like the common cold or flu — taking them for a virus doesn't help and can contribute to resistance.
Word forms
- Plural
- antibiotics
- Comparative
- more antibiotic
- Superlative
- most antibiotic
Fill the gap
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The doctor prescribed a course of _____ for her ear infection.
Etymology
Borrowed from French antibiotique, built from anti- ("against") and -biotic ("relating to life," from Greek bios).
Synonyms
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Related words
Rhymes for antibiotic
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