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

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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, "Genetic Tidying Up Made Humped Bladderworts Into Carnivorous Plants," 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

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Time Traveler for polyploid

Time Traveler

The first known use of polyploid was in 1911

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Statistics for polyploid

Cite this Entry

“Polyploid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyploid. Accessed 18 May. 2021.

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More Definitions for polyploid


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



Medical Definition of polyploid (Entry 2 of 2)

: a polyploid individual

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