tetraploid

American  

[te-truh-ploid] / ˈtɛ trəˌplɔɪd /

adjective

Biology.

1. having a chromosome number that is four times the basic or haploid number.

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noun

1. a tetraploid cell or organism.

tetraploid British  

/ ˈtɛtrəˌplɔɪd /

adjective

1. having four times the haploid number of chromosomes in the nucleus

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noun

1. a tetraploid organism, nucleus, or cell

Other Word Forms

• tetraploidy
  noun

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Etymology

Origin of tetraploid

First recorded in 1925–30; tetra- + -ploid

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Example Sentences

See Examples For:

tetraploid

The results revealed that smaller tetraploid cells were associated with worse prognoses and lower survival rates across several cancer types.

From Science Daily ● Oct. 15, 2026

Scientists have long recognized that tetraploid cells can make tumors more aggressive.

From Science Daily ● Oct. 15, 2026

The result was a type of cell known as a tetraploid cell, which contains four complete sets of chromosomes rather than the usual two.

From Science Daily ● Oct. 15, 2026

After producing tetraploid cells from human cancer cells and establishing colonies derived from individual cells, he noticed that the resulting groups were not all the same size.

From Science Daily ● Oct. 15, 2026

This is probably because it is a tetraploid while the shagbark, shellbark and hybrids are diploids.

From Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 by Northern Nut Growers Association

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