cytotoxic

adj

1. Of, relating to, or being a cytotoxin.
2. Of or relating to cytotoxicity.

   “A recent study focused on the enzymatic and cytotoxic functions of jellyfish metalloproteases and identified diverse proteolytic effects including gelatinolytic, caseinolytic, and fibrinolytic activities.”

noun

1. Any cytotoxic substance; a cytotoxin.

   “Current chemotherapies for cancer are mostly cytotoxics with serious side effects and high incidence of drug resistance.”