polyploidy

P3O1L1Y4P3L1O1I1D2Y4
UK/ˈpɒlɪplɔɪdi/

noun

The condition of being polyploid or the process of becoming polyploid.

UncommonScrabble 21

Meanings

nounpolyploidy (countable and uncountable, plural polyploidies)

plural polyploidies

  1. uncountablebiologyThe condition of being polyploid or the process of becoming polyploid.

    As they mature, the DNA is replicated several times but the cell does not divide, a condition known as polyploidy which allows cells to increase in size.

    2011, Terence Allen, Graham Cowling, The Cell: A Very Short Introduction, Oxford, page 90
    1 more example

    This propensity to polyploidy helps account for the diversity (and thus success) of flowering plants, in particular. It is also known that flowering plants sailed majestically through the life-destroying asteroid impact at the end of the Cretaceous period, which did for the dinosaurs and many other animals.

    2014 June 28, “Double or quits”, in The Economist, volume 411, number 8893
  2. countablebiologyAn instance of being polyploid.

Origin

  1. GermanPolyploidie
  2. Englishpolyploidy

From polyploid + -y, after German Polyploidie.

Full word history & related roots →

Translations

Finnish polyploidia
  • polyploidiastate or condition of being a polyploid
German Polyploidie
  • Polyploidiestate or condition of being a polyploid
Hungarian poliploidia, kromoszómaszerelvény-sokszorozódás
  • poliploidiastate or condition of being a polyploid
  • kromoszómaszerelvény-sokszorozódásstate or condition of being a polyploid
  • kromoszómaszám sokszorozódásstate or condition of being a polyploid
Italian poliploidia
  • poliploidiastate or condition of being a polyploid
Romanian poliploidie
  • poliploidiestate or condition of being a polyploid
Spanish poliploidía
  • poliploidíastate or condition of being a polyploid
Turkish poliploidi
  • poliploidistate or condition of being a polyploid
Cite this entry
APA

polyploidy. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/polyploidy

MLA

“polyploidy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/polyploidy. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “polyploidy,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/polyploidy.

Source: polyploidy on Wiktionary, CC BY-SA 4.0.