chlor·​am·​phen·​i·​col | \ ˌklȯr-ˌam-ˈfe-ni-ˌkȯl How to pronounce chloramphenicol (audio) , -ˌkōl \

Definition of chloramphenicol

: a broad-spectrum antibiotic C11H12Cl2N2O5 isolated from cultures of a soil actinomycete (Streptomyces venezuelae) or prepared synthetically

Examples of chloramphenicol in a Sentence

Recent Examples on the Web The antibiotics facing export limits are tinidazole, metronidazole, chloramphenicol, erythromycin salts, neomycin, clindamycin salts and ornidazole. Vindu Goel, New York Times, 10 Mar. 2020 This Spanish outbreak, though, had a different cause, the importation of the cfr gene, which also mediates resistance to the older drugs clindamycin and chloramphenicol, apparently on a plasmid, possibly from a staph strain common in cows. Maryn Mckenna, WIRED, 15 June 2010

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chloramphenicol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of chloramphenicol

1949, in the meaning defined above

History and Etymology for chloramphenicol

chlor- + amide + phen- + nitr- + glycol

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The first known use of chloramphenicol was in 1949

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Cite this Entry

“Chloramphenicol.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2021.

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More Definitions for chloramphenicol


chlor·​am·​phen·​i·​col | \ ˌklōr-ˌam-ˈfen-i-ˌkȯl, ˌklȯr-, -ˌkōl How to pronounce chloramphenicol (audio) \

Medical Definition of chloramphenicol

: a broad-spectrum antibiotic C11H12Cl2N2O5 isolated from cultures of a soil actinomycete of the genus Streptomyces (S. venezuelae) or prepared synthetically

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