nitrosourea
/nʌɪˌtrəʊsəʊjʊˈriːə/Chemistry
noun
A compound with the general formula RN(NO)—CO—NR′R″ (where R, R′, R″ represent alkyl or other organic groups); specifically any of several alkylating agents which are relatively lipid soluble and can cross the blood–brain barrier and which are used as antineoplastic drugs.
Origin
Late 19th century; earliest use found in Edgar Fahs Smith (1854–1928). From nitroso- + urea.
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