methicillin

M3E1T1H4I1C3I1L1L1I1N1
/ˌmɛθ.ɪˈsɪl.ɪn/

A form of meticillin — A semisynthetic form of penicillin C₁₇H₂₀N₂O₆S used especially in the form of its sodium salt against staphylococci which produce penicillinase.

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Meanings

nounmethicillin (countable and uncountable, plural methicillins)

plural methicillins

  1. alternativecountableuncountablemedicineAlternative spelling of meticillin.

    The new strain was dubbed methicillin-resistant Staphylococcus aureus, or MRSA.

    2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 53

Rhymes & wordplay

Rhymes with methicillin

amoxicillinpenicillinampicillintheophyllinepiperacillinoxacillinticarcillincarbenicillincloxacillindicloxacillinnafcillinbenzylpenicillincarindacillin-cillinmeticillinphenoxymethylpenicillin
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Cite this entry
APA

methicillin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/methicillin

MLA

“methicillin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/methicillin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “methicillin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/methicillin.

Source: methicillin on Wiktionary, CC BY-SA 4.0.