triploid

American  

[trip-loid] / ˈtrɪp lɔɪd /

adjective

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

---

noun

1. a triploid cell or organism.

triploid British  

/ ˈtrɪplɔɪd /

adjective

1. having or relating to three times the haploid number of chromosomes

   a triploid organism

---

noun

1. a triploid organism

Other Word Forms

• triploidy noun

Etymology

Origin of triploid

First recorded in 1910–15; tri- + -ploid

Example Sentences

Salmon can be sterilized by making them triploid, typically by pressurizing newly fertilized embryos in a steel tank when the chromosomes are replicating.

From Science Magazine • Nov. 19, 2020

Although triploid oysters make up one-third to one-half of all seed oysters along the West Coast, Louisiana State University biologist John Supan “guesstimates” that they may make up about 1 percent of Louisiana’s harvest.

From Seattle Times • Nov. 4, 2017

Over time, the wild types have been selected and bred to be triploid, but this dynamic also has halted the banana's genetic evolution.

From Scientific American • Jul. 1, 2014

The triploid oyster, as it is called, is bred to be sterile and planted by farmers.

From Washington Post • Nov. 19, 2013

It may be triploid, that is, with 3 sets of chromosomes instead of the normal double set, and this would account for its barrenness.

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