Standard Lemma guide

letrozole

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: /ˈlɛ.tɹəˌzoʊl/

1

noun

Meaning 1

A nonsteroidal aromatase inhibitor C17H11N5 (trademark Femara) that is administered orally to treat breast cancer in postmenopausal women.

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?] + -rozole (“imidazole-triazole derivative”).