Definition
A substance that kills bacteria or inhibits their growth—humanity's favorite chemical weapon against microscopic invaders.
Example Usage
The patient received broad-spectrum antibiotics pending culture results.
Origin
Greek: anti (against) + bios (life); term coined in 1941
Fun Fact
Antibiotic resistance develops when bacteria survive treatment and pass resistance genes to offspring, making antibiotics progressively less effective.
Source: Microbiology and pharmacology
Related Terms
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