Share this entry
methicillin Line breaks: methi|cil¦lin
Pronunciation: /ˌmɛθɪˈsɪlɪn/

Definition of methicillin in English:


[mass noun] Medicine
A semi-synthetic form of penicillin used against staphylococci which produce penicillinase.
Example sentences
  • Some antibiotics, such as gentamicin, penicillin G, tetracycline, methicillin, erythromycin, and vancomycin, are not compatible with heparin.
  • Tea extract showed synergistic activity with Chloramphenicol and other antibiotics like gentamycin, methicillin and nalidixic acid against test strains.
  • This strain was resistant to methicillin, cephalothin, gentamicin, erythromycin, chloramphenicol and tetracycline.


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

Definition of methicillin in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources