chlortetracycline

[klawr-te-truh-sahy-klin, -kleen, klohr-]

noun

Pharmacology.

1. a yellow, crystalline, antibiotic powder, C 22 H 23 N 2 O 8 Cl, biosynthesized by Streptomyces aureofaciens, used in the treatment of infections.

chlortetracycline

/ klɔːˌtɛtrəˈsaɪkliːn /

noun

1. an antibiotic used in treating many bacterial and rickettsial infections: obtained from the bacterium Streptomyces aureofaciens. Formula: C 22 H 23 ClN 2 O 8

Word History and Origins

Origin of chlortetracycline¹

First recorded in 1950–55; chlor- ² + tetracycline

Example Sentences

He also decided to test the manufacturing leftovers of one of his company’s first antibiotics, which is now known as chlortetracycline.

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In 1943, there was streptomycin, the first cure for tuberculosis, and on the heels of that came chloramphenicol, chlortetracycline, neomycin, erythromycin.

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In interviews, another major producer, Foster Poultry Farms, acknowledged that it also has used the antibiotics chlortetracycline and penicillin selectively but not as part of standard feed.

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The medicine—either penicillin, vancomycin, a combination of the two, or chlortetracycline—was given at doses comparable to those approved by the U.S.

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In December 2011, it quietly rescinded its initial 35-year-old plan to withdraw approval for penicillin and the two tetracycline drugs — chlortetracycline and oxytetracycline — on the grounds that the proposal was outdated.

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