cephalothin

noun

ceph·​a·​lo·​thin ˈse-fə-lə-thən How to pronounce cephalothin (audio)
-ˌthin
: a semisynthetic broad-spectrum antibiotic derived from cephalosporin and used in the form of its sodium salt C16H15N2NaO6S2

Word History

Etymology

cephalosporin + thi- + -in entry 1

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of cephalothin was in 1962

Dictionary Entries Near cephalothin

Cite this Entry

“Cephalothin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cephalothin. Accessed 23 May. 2024.

Medical Definition

cephalothin

noun
ceph·​a·​lo·​thin ˈsef-ə-lə-(ˌ)thin How to pronounce cephalothin (audio)
: a semisynthetic broad-spectrum antibiotic C16H15N2NaO6S2 that is an analog of a cephalosporin and is effective against penicillin-resistant staphylococci

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