tetracycline

noun

A yellow crystalline compound, C22H24N2O8, synthesized or derived from certain microorganisms of the genus Streptomyces and used as a broad-spectrum antibiotic.

noun

An antibiotic, such as chlortetracycline and oxytetracycline, having the same basic structure.

noun

An antibiotic produced by the Streptomyces bacterium.

noun

Any antibiotic with the same general structure derived from tetracene with many hydroxyl and other groups.

noun

an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections