polyploid

adjective
poly·​ploid | \ ˈpä-lē-ˌplȯid How to pronounce polyploid (audio) \

Definition of polyploid

: having or being a chromosome number that is a multiple greater than two of the monoploid number

Other Words from polyploid

polyploid noun
polyploidy \ ˈpä-​lē-​ˌplȯi-​dē How to pronounce polyploid (audio) \ noun

Examples of polyploid in a Sentence

Recent Examples on the Web During rare polyploid events, a screw-up in the reproductive process caused the whole genome to duplicate at once. Joanna Klein, New York Times, 19 May 2017

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

First Known Use of polyploid

1911, in the meaning defined above

History and Etymology for polyploid

International Scientific Vocabulary

Learn More About polyploid

Time Traveler for polyploid

Time Traveler

The first known use of polyploid was in 1911

See more words from the same year

Dictionary Entries Near polyploid

Polyplectron

polyploid

polyploid complex

See More Nearby Entries 

Statistics for polyploid

Cite this Entry

“Polyploid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyploid. Accessed 9 Aug. 2022.

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

More Definitions for polyploid

polyploid

adjective
poly·​ploid | \ ˈpäl-i-ˌplȯid How to pronounce polyploid (audio) \

Medical Definition of polyploid

 (Entry 1 of 2)

: having or being a chromosome number that is a multiple greater than two of the monoploid number

polyploid

noun

Medical Definition of polyploid (Entry 2 of 2)

: a polyploid individual

WORD OF THE DAY

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
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!