phy·​to·​es·​tro·​gen | \ ˌfī-tō-ˈe-strə-jən How to pronounce phytoestrogen (audio) \

Definition of phytoestrogen

: a chemical compound (such as genistein) that occurs naturally in plants and has estrogenic properties

Examples of phytoestrogen in a Sentence

Recent Examples on the Web Soy and other foods like wheat, lentils and apples contain a naturally occurring hormone called isoflavone, a type of plant estrogen (or phytoestrogen). Miriam Fauzia, USA TODAY, 10 Sep. 2021 Consumers need to be more worried about supplements that are high in phytoestrogen. Tyler Jett, USA TODAY, 3 Dec. 2020 According to 2008 research by University of Reading food and nutritional sciences professor Gunter Kuhnle, about three-fourths of the phytoestrogen in almonds belongs to a class known as lignans. Tyler Jett, USA TODAY, 3 Dec. 2020 Lower Blood Pressure Pumpkin seed oil is full of phytoestrogens, which research shows are beneficial for preventing hypertension. Dailyburn,, 8 Oct. 2014 Radiation exposure and substances that act like estrogen, such as synthetic estrogens and phytoestrogens, are two things that can damage breast cancer cells and cause breast cancer. Ladan Nikravan Hayes,, 26 June 2019 High in phytoestrogens, a tea of the plant’s leaves and flowers is used to control hot flashes, breast tenderness, and other symptoms of menopause. Molly Marquand, Good Housekeeping, 28 July 2016 However, because there's some evidence that phytoestrogens can have the opposite effect on breast cancer, go easy on it. The Editors Of Organic Life, Good Housekeeping, 3 Apr. 2017 The idea that plant hormones—such as genistein, the primary phytoestrogen in soy—can interfere with mammalian development is not new. Deborah Blum, Slate Magazine, 3 Aug. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phytoestrogen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of phytoestrogen

1964, in the meaning defined above

History and Etymology for phytoestrogen

borrowed from German Phytoöstrogen, from phyto- phyto- + Östrogen estrogen

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The first known use of phytoestrogen was in 1964

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Cite this Entry

“Phytoestrogen.” Dictionary, Merriam-Webster, Accessed 12 Aug. 2022.

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More Definitions for phytoestrogen


phy·​to·​es·​tro·​gen | \ -ˈes-trə-jən How to pronounce phytoestrogen (audio) \
variants: or chiefly British phyto-oestrogen

Medical Definition of phytoestrogen

: a chemical compound (as genistein) that occurs naturally in plants and has estrogenic properties


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