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Antibiotic, antibacterial and antimicrobial

Definition:

Antibiotic: A compound that inhibits the growth or kills bacteria. In recent years, ‘antibiotic’ has become synonymous with ‘antibacterial’.

Antibacterial: A drug, chemical or other substance that kills bacteria (bactericidal) or stops their growth (bacteriostatic).

Antimicrobial: A drug, chemical or other substance that kills, inactivates or slows the growth of microbes, including bacteria, viruses, fungi and parasites.