triploid

American  

[trip-loid] / ˈtrɪp lɔɪd /

adjective

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

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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

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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

The other sperm fuses with the 2n polar nuclei, forming a triploid cell that will develop into the endosperm, which is tissue that serves as a food reserve.

From Textbooks • Jan. 1, 2015

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

Fisheries also purchased from private growers more than 50,000 triploid trout averaging 1½ pounds apiece to be planted in hundreds of lakes and ponds.

From Seattle Times • Apr. 19, 2014

The triploid apple needs to be pollinated by the diploid variety.

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