1. Plural of colistin; a group of antibiotic compounds produced by the bacterium Bacillus colistinus, used to treat infections caused by gram-negative bacteria.
Usage: medical/pharmaceutical term; typically used in clinical or research contexts

Examples

• Colistins are often reserved for treating multidrug-resistant bacterial infections.
• The doctor prescribed colistins to combat the patient's severe gram-negative infection.
• Researchers studied the efficacy of different colistins against resistant pathogens.
• Colistins have been used in veterinary medicine for decades.
• The hospital's antibiotic protocol includes colistins as a last-resort option.