tetraploid

American  

[te-truh-ploid] / ˈtɛ trəˌplɔɪd /

adjective

Biology.

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

---

noun

1. a tetraploid cell or organism.

tetraploid British  

/ ˈtɛtrəˌplɔɪd /

adjective

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

---

noun

1. a tetraploid organism, nucleus, or cell

Other Word Forms

• tetraploidy
  noun

---

Etymology

Origin of tetraploid

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

---

Example Sentences

See Examples For:

tetraploid

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

From Science Daily ● Oct. 15, 2026

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

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

From Science Daily ● Oct. 15, 2026

Because tetraploid cells contain twice the usual number of chromosome sets, the researchers expected them to be approximately twice as large as diploid cells.

From Science Daily ● Oct. 15, 2026

Yesterday Mr. Bolten asked the question whether or not some walnuts that have large nuts could possibly be tetraploid or polyploid.

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

Random Word

Spin the wheel and learn a new word!

---