Definition of methicillin in English:

methicillin

noun

Medicine
  • [mass noun] A semi-synthetic form of penicillin used against staphylococci which produce penicillinase.

    • ‘Tea extract showed synergistic activity with Chloramphenicol and other antibiotics like gentamycin, methicillin and nalidixic acid against test strains.’
    • ‘Some antibiotics, such as gentamicin, penicillin G, tetracycline, methicillin, erythromycin, and vancomycin, are not compatible with heparin.’
    • ‘This strain was resistant to methicillin, cephalothin, gentamicin, erythromycin, chloramphenicol and tetracycline.’
    • ‘Consider a penicillinase-resistant penicillin (such as methicillin or nafcillin) or vancomycin plus an aminoglycoside or aztreonam.’
    • ‘A high proportion of these bacteria demonstrate resistance to multiple antibiotic medications, especially to methicillin and oxacillin.’

Origin

1960s: from meth(yl) and ( pen)icillin.

Pronunciation:

methicillin

/ˌmɛθɪˈsɪlɪn/