Standard Lemma guide

exemestane

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /ˌɛk.səˈmɛˌsteɪn/

1

noun

Meaning 1

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.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From [Term?] + -mestane (“aromatase inhibitor”).