dizygotic

adjective

di·​zy·​got·​ic ˌdī-(ˌ)zī-ˈgä-tik How to pronounce dizygotic (audio)
variants or less commonly dizygous
of twins

Examples of dizygotic in a Sentence

Recent Examples on the Web
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The surges in twin births occurred only in fraternal twins, or dizygotic twins, where two eggs were separately fertilized. Elizabeth Gamillo, Smithsonian Magazine, 16 Mar. 2021 The rate of fraternal (or dizygotic) twins tends to rise with the use of certain fertility assistance drugs. Brian Clark Howard, National Geographic, 2 Sep. 2016 Identical, or monozygotic (MZ), pairs have identical DNA, while dizygotic (DZ) twins are no more alike than any other brothers or sisters, genetically. Neuroskeptic, Discover Magazine, 6 July 2011

Word History

First Known Use

1916, in the meaning defined above

Time Traveler
The first known use of dizygotic was in 1916

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Cite this Entry

“Dizygotic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dizygotic. Accessed 6 Jul. 2026.

Medical Definition

dizygotic

adjective
di·​zy·​got·​ic ˌdī-zī-ˈgät-ik How to pronounce dizygotic (audio)
variants also dizygous
of twins
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