nitrosourea

[ nahy-troh-soh-yoo-ree-uh ]
/ naɪˌtroʊ soʊ yʊˈri ə /

noun Pharmacology.

any of various lipid-soluble, synthetic or naturally occurring alkylating agents that can cross the blood-brain barrier: used in the treatment of certain brain cancers.

Origin of nitrosourea