tetraploid
1 of 2adjective
tet·ra·ploid ˈte-trə-ˌplȯid 
: having or being a chromosome number four times the monoploid number
a tetraploid cell
tetraploidy
ˈte-trə-ˌplȯi-dē
noun tetraploid
2 of 2noun
: a tetraploid individual
Example Sentences
Recent Examples on the Web
Quanta Magazine, 5 Aug. 2020 Margaret Lauterbach, idahostatesman, 26 Apr. 2017 Slow-growing hostas include the miniatures, those with a lot of white on the leaves, and the tetraploids (that is, those with four basic sets of chromosomes instead of the usual two, one from each parent). Margaret Lauterbach, idahostatesman, 26 Apr. 2017
Adjective
Genomicists think that the ancestors of sturgeons were diploid until all their chromosomes doubled and the fish became tetraploid. Quanta Magazine, 5 Aug. 2020 Noun
Tetraploids are bred to create larger flowers and denser foliage than normal, and are identified on plant tags when plants are purchased. Margaret Lauterbach, idahostatesman, 26 Apr. 2017 Slow-growing hostas include the miniatures, those with a lot of white on the leaves, and the tetraploids (that is, those with four basic sets of chromosomes instead of the usual two, one from each parent). Margaret Lauterbach, idahostatesman, 26 Apr. 2017 Word History
Etymology
Adjective
International Scientific Vocabulary
First Known Use
Adjective
1912, in the meaning defined above
Noun
1921, in the meaning defined above
Medical Definition
tetraploid 1 of 2
adjective
tet·ra·ploid ˈte-trə-ˌplȯid
: having or being a chromosome number four times the monoploid number
a tetraploid cell
tetraploid
2 of 2noun
: a tetraploid individual