trip·​loid | \ ˈtri-ˌplȯid How to pronounce triploid (audio) \

Definition of triploid

: having or being a chromosome number three times the monoploid number

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Other Words from triploid

triploid noun
triploidy \ ˈtri-​ˌplȯi-​dē How to pronounce triploidy (audio) \ noun

Examples of triploid in a Sentence

Recent Examples on the Web Andrew Dittman, a research fisheries biologist for Northwest Fisheries Science Center, said using triploid fish was a common and largely effective process for maintaining a sterile population. Author: Evan Bush, Anchorage Daily News, "Cooke Aquaculture seeks to farm native steelhead in Puget Sound after 2017 Atlantic salmon escape," 1 Nov. 2019 Triploid chromosomes can replicate for normal growth, but can’t make sperm or eggs3. Nick Stockton, WIRED, "In a First, the FDA Clears Genetically Modified Salmon for Eating—It Just Took 20 Years," 20 Nov. 2015

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

First Known Use of triploid

1911, in the meaning defined above

History and Etymology for triploid

International Scientific Vocabulary, from Latin triplus triple

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Time Traveler for triploid

Time Traveler

The first known use of triploid was in 1911

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Statistics for triploid

Cite this Entry

“Triploid.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2020.

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More Definitions for triploid


trip·​loid | \ ˈtrip-ˌlȯid How to pronounce triploid (audio) \

Medical Definition of triploid

 (Entry 1 of 2)

: having or being a chromosome number three times the monoploid number

Other Words from triploid

triploidy \ -​ˌlȯid-​ē How to pronounce triploidy (audio) \ noun, plural triploidies



Medical Definition of triploid (Entry 2 of 2)

: a triploid individual

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