triploid
adjective
trip·loid ˈtri-ˌplȯid 
: having or being a chromosome number three times the monoploid number
triploid noun
triploidy
ˈtri-ˌplȯi-dē
noun 
Example Sentences
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, 1 Nov. 2019 Triploid chromosomes can replicate for normal growth, but can’t make sperm or eggs3. Nick Stockton, WIRED, 20 Nov. 2015
Author: Evan Bush, Anchorage Daily News, 1 Nov. 2019 Triploid chromosomes can replicate for normal growth, but can’t make sperm or eggs3. Nick Stockton, WIRED, 20 Nov. 2015 Word History
Etymology
International Scientific Vocabulary, from Latin triplus triple
First Known Use
1911, in the meaning defined above
Medical Definition
triploid 1 of 2
adjective
trip·loid ˈtrip-ˌlȯid
: having or being a chromosome number three times the monoploid number
triploid
2 of 2noun
: a triploid individual
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