Definitions

1. noun

A group of antibiotics produced by Streptomyces bacteria, particularly effective against Gram-positive bacteria.

“The doctor prescribed actinomycin to treat the patient’s severe bacterial infection.”

2. noun

A complex of intercalating compounds that inhibit RNA synthesis and are used in molecular biology to study gene expression.

“Actinomycin was used to inhibit RNA synthesis in the cell culture for further study.”