phytoestrogen
noun
phy·to·es·tro·gen
ˌfī-tō-ˈe-strə-jən 
: a chemical compound (such as genistein) that occurs naturally in plants and has estrogenic properties
Examples of phytoestrogen in a Sentence
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Some evidence has suggested that consuming foods that contain phytoestrogens helps reduce breast cancer risk.1
Other research on the link between phytoestrogens and breast cancer has been mixed.
—
Cynthia Sass, Health, 23 Sep. 2025
The herb is also considered a phytoestrogen.
—Jocelyn Solis-Moreira, Flow Space, 3 Sep. 2025
This is because soy contains phytoestrogens, which are compounds similar in structure to estrogen.2223
10.
—Sarah Jividen, Verywell Health, 22 July 2025
Some research suggests that isoflavones, a type of phytoestrogen (a plant compound similar to the hormone estrogen), play a role in prostate health.
—Brittany Poulson, People.com, 8 July 2025
See All Example Sentences for phytoestrogen
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Cynthia Sass, Health, 23 Sep. 2025
The herb is also considered a phytoestrogen.
—Jocelyn Solis-Moreira, Flow Space, 3 Sep. 2025
This is because soy contains phytoestrogens, which are compounds similar in structure to estrogen.2223
10.
—Sarah Jividen, Verywell Health, 22 July 2025
Some research suggests that isoflavones, a type of phytoestrogen (a plant compound similar to the hormone estrogen), play a role in prostate health.
—Brittany Poulson, People.com, 8 July 2025
See All Example Sentences for phytoestrogen
Cite this Entry
“Phytoestrogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phytoestrogen. Accessed 28 Oct. 2025.
Copy CitationMedical Definition
phytoestrogen
noun
phy·to·es·tro·gen
-ˈes-trə-jən
variants
or chiefly British phyto-oestrogen
: a chemical compound (as genistein) that occurs naturally in plants and has estrogenic properties
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