zygosity

noun
zy·​gos·​i·​ty | \ zī-ˈgä-sə-tē How to pronounce zygosity (audio) \

Definition of zygosity

: the makeup or characteristics of a particular zygote also : the genetic relationship between offspring of a single birth especially in regard to being derived from the same or different zygotes

First Known Use of zygosity

1946, in the meaning defined above

History and Etymology for zygosity

probably from -zygous

Learn More About zygosity

Time Traveler for zygosity

Time Traveler

The first known use of zygosity was in 1946

See more words from the same year

Dictionary Entries Near zygosity

zygosis

zygosity

zygosperm

See More Nearby Entries 

Statistics for zygosity

Cite this Entry

“Zygosity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zygosity. Accessed 30 Jun. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for zygosity

zygosity

noun
zy·​gos·​i·​ty | \ zī-ˈgäs-ət-ē How to pronounce zygosity (audio) \
plural zygosities

Medical Definition of zygosity

: the makeup or characteristics of a particular zygote

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!