Word.ws English Dictionary

tamoxifen

UK/təˈmɒk.sɪ.fɛn/US/təˈmɑk.sɪf.ən/

tamoxifen noun: a nonsteroidal estrogen antagonist used in the treatment of postmenopausal breast cancer and infertility in women.

tamoxifen: a nonsteroidal estrogen antagonist used in the treatment of postmenopausal breast cancer and...
Image: Fuse809, Public domain, via Wikimedia Commons

Noun

tamoxifen (countable and uncountable, plural tamoxifens)

  1. A nonsteroidal estrogen antagonist used in the treatment of postmenopausal breast cancer and infertility in women.
    • Treatment with tamoxifen after surgery reduced cancer relapse rates by nearly 50 percent.2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 4

Forms of tamoxifen

pluraltamoxifens

Origin of tamoxifen

From t(rans)- + am(ine) + oxy- + phen(yl).

Words formed from tamoxifen

Questions about tamoxifen

What does tamoxifen mean?
Tamoxifen means a nonsteroidal estrogen antagonist used in the treatment of postmenopausal breast cancer and infertility in women.
What part of speech is tamoxifen?
Tamoxifen is a noun.
How do you pronounce tamoxifen?
Tamoxifen is pronounced /təˈmɒk.sɪ.fɛn/ (UK).
What is the plural of tamoxifen?
The plural of tamoxifen is tamoxifens.

Words near tamoxifen in the dictionary

  1. Tamontaka II
  2. Tamontaka III
  3. Tamontaka IV
  4. Tamontaka V
  5. Tamoso
  6. tamoxifen
  7. tamoxifens
  8. tamp
  9. tamp down
  10. Tampa
  11. Tampa Bay

Source and license

Adapted from Wiktionary: tamoxifen (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “tamoxifen.” Word.ws, https://word.ws/tamoxifen. Based on Wiktionary, CC BY-SA 4.0.