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.

From National Geographic

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

From The New Yorker

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.

From Reuters

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

From Science Magazine

In December 2011, it quietly rescinded its initial 35-year-old plan to withdraw approval for penicillin and the two tetracycline drugs — chlortetracycline and oxytetracycline — on the grounds that the proposal was outdated.

From Washington Post