Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A substance that blocks the production or utilization of estrogens, or inhibits their effects.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

anti- +‎ estrogen

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Examples

  • BUY NOLVADEX: Nolvadex belongs to the group of sex hormones and is a so-called antiestrogen

    lipstick.com: celebrity news that matters to you 2008

  • Had Moya Cole been right about her instinct in treating early-stage breast cancer with antiestrogen therapy?

    The Emperor of All Maladies Siddhartha Mukherjee 2010

  • Developing an antiestrogen, an antagonist to the fabled elixir of female youth, was widely considered a waste of effort, money, and time.

    The Emperor of All Maladies Siddhartha Mukherjee 2010

  • Had Moya Cole been right about her instinct in treating early-stage breast cancer with antiestrogen therapy?

    The Emperor of All Maladies Siddhartha Mukherjee 2010

  • Tamoxifen, the antiestrogen, is also added to prevent a relapse.

    The Emperor of All Maladies Siddhartha Mukherjee 2010

  • Developing an antiestrogen, an antagonist to the fabled elixir of female youth, was widely considered a waste of effort, money, and time.

    The Emperor of All Maladies Siddhartha Mukherjee 2010

  • Those women whose tumors were positive were more likely to respond to antiestrogen drugs such as tamoxifen.

    Glenn D. Braunstein, M.D.: Personalized Medicine Is Becoming a Reality M.D. Glenn D. Braunstein 2010

  • Testosterone did not work, and no synthetic “antiestrogen” was in development.

    The Emperor of All Maladies Siddhartha Mukherjee 2010

  • In their dogged pursuit of cures for menopause and for new contraceptive agents using synthetic estrogens, pharmaceutical companies had long abandoned the development of an antiestrogen, and there was no interest in developing an antiestrogen for cancer.

    The Emperor of All Maladies Siddhartha Mukherjee 2010

  • Tamoxifen, the antiestrogen, is also added to prevent a relapse.

    The Emperor of All Maladies Siddhartha Mukherjee 2010

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