oxacillin

American

[ok-suh-sil-in] / ˌɒk səˈsɪl ɪn /

noun

Pharmacology.

a semisynthetic penicillin, C 1 9 H 1 9 N 3 O 5 S, used in the treatment of serious staphylococcal infections.

Etymology

Origin of oxacillin

1960–65; (is)oxa(zole) , a component of its chemical name + (peni)cillin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This strain is resistant to many commonly used antibiotics, including methicillin, amoxicillin, penicillin, and oxacillin.

From Textbooks • Jun. 9, 2022

Doctors have grown used to prescribing antibiotics like oxacillin or cephalexin in that situation.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023