bio·​iden·​ti·​cal | \ ˌbī-ō-ī-ˈden-ti-kəl How to pronounce bioidentical (audio) \

Definition of bioidentical

: having the same molecular structure as a substance produced in the body bioidentical estrogens

Examples of bioidentical in a Sentence

Recent Examples on the Web The bioidentical formula stimulates your own cells to create plump, youthful skin by penetrating deep into the dermis where cells are energized and renewal occurs. Joseph Deacetis, Forbes, 2 Nov. 2021 Peptide-Rich Plasma®, a proprietary, patent-pending skincare technology composed of 24 bioidentical synthetic peptides, growth factors, and amino acids. Joseph Deacetis, Forbes, 2 Nov. 2021 Bioidentical hormones are carefully derived from suitable plants and designed to mimic the function and structure of natural human hormones, which is why they are called bioidentical. Dr. Tom Macek,, 8 Oct. 2020 Testosterone is used for bioidentical hormone replacement therapy. Laurel Andrews, Anchorage Daily News, 21 Apr. 2018 Switch to nonhormonal birth control; if your doctor agrees, try bioidentical hormones for menopausal migraines. Alexis Reliford, Good Housekeeping, 27 Sep. 2017 Such therapies include bioidentical hormones, which are identical in molecular structure to the hormones women make in their bodies. Betsy Mckay, WSJ, 16 July 2017

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

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First Known Use of bioidentical

1997, in the meaning defined above

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The first known use of bioidentical was in 1997

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Last Updated

22 Nov 2021

Cite this Entry

“Bioidentical.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2021.

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More Definitions for bioidentical


bio·​iden·​ti·​cal | \ ˌbī-ō-ī-ˈden-ti-kəl \

Medical Definition of bioidentical

: having the same molecular structure as a substance produced in the body bioidentical hormones

Other Words from bioidentical

bioidentical noun
Proponents of bioidenticals suggest that they are safer than other hormones because they mimic a woman's hormones. — Roni Caryn Rabin, The New York Times, 28 Aug. 2007


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