Definition of vancomycin in US English:

vancomycin

noun

Medicine
  • A bacterial antibiotic used against resistant strains of streptococcus and staphylococcus.

    This antibiotic is obtained from the bacterium Streptomyces orientalis

    • ‘In recent years, some superbugs have even figured out how to resist vancomycin.’
    • ‘Patients who become infected with MRSA are usually treated using expensive antibiotics such as vancomycin.’
    • ‘Other antibiotics like penicillin and vancomycin slow the bacteria's ability to manufacture cell walls.’
    • ‘MRSA infections were treated with vancomycin and one to two other antibiotics based on bacterial susceptibility.’
    • ‘Already now in Australia we're isolating strains which have low level resistance to vancomycin.’

Origin

1950s: from vanco- (of unknown origin) + -mycin.

Pronunciation

vancomycin

/ˌvaNGkəˈmīsin/