exemestane

== English == === Etymology === From [Term?] +‎ -mestane (“aromatase inhibitor”). (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === (General American) IPA(key): /ˌɛk.səˈmɛˌsteɪn/ === Noun === exemestane (uncountable) (pharmacology) An antineoplastic drug C20H24O2 (trademark Aromasin) that is taken orally in the treatment of advanced breast cancer in postmenopausal women. It is a steroidal aromatase inhibitor that suppresses the synthesis of estrogen, a hormone that acts as a growth factor for breast cancer cells. === References === “exemestane”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.