a yellow antibiotic, CHClNO, isolated from a microorganism (Streptomyces aureofaciens): it is used against a wide variety of bacterial and rickettsial infections and certain viruses
Origin:
chlor(o)- + tetracycline
See chlortetracycline in American Heritage Dictionary 4
noun
A broad-spectrum antibiotic, C22H23ClN2O8, obtained from the soil bacterium Streptomyces aureofaciens and used in the treatment of a variety of infections.