monozygotic

adjective

mono·zy·got·ic ˌmä-nə-zī-ˈgä-tik

: derived from a single egg

monozygotic twins

Word History

First Known Use

1916, in the meaning defined above

Time Traveler

The first known use of monozygotic was in 1916

See more words from the same year

Browse Nearby Words

monozoan

monozygotic

Monroe

See all Nearby Words

Cite this Entry

Style

“Monozygotic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monozygotic. Accessed 31 Oct. 2025.

Copy Citation

Medical Definition

monozygotic

adjective

mono·zy·got·ic ˌmän-ə-zī-ˈgät-ik

: derived from a single egg

monozygotic twins

monozygosity

-ˈgäs-ət-ē

noun

plural monozygosities

Popular in Grammar & Usage

'Affect' vs. 'Effect'

Using Bullet Points ( • )

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

The Difference Between 'i.e.' and 'e.g.'

What’s the difference between ‘cemetery’ and ‘graveyard’?

Popular in Wordplay

monozygotic

adjective

Word History

Browse Nearby Words

Cite this Entry

Medical Definition

More from Merriam-Webster

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

hobgoblin