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

To investigate, Sweet and Bloomfield compared tumors that developed from ordinary diploid cancer cells with those formed from tetraploid cancer cells.

From Science Daily ● Oct. 15, 2026

The researchers discovered that tetraploid cancer cells were encouraging the recruitment of stromal cells, which are noncancerous connective tissue cells that help provide structural support.

From Science Daily ● Oct. 15, 2026

"The presence of even a small fraction of these tetraploid cells can promote the recruitment of extra non-cancerous cells that support further tumor progression," Sweet said.

From Science Daily ● Oct. 15, 2026

Tumors containing smaller tetraploid cells frequently grew more quickly than those containing larger ones.

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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