polyploid

P3O1L1Y4P3L1O1I1D2
US/ˈpɑliˌplɔɪd/US/ˈpɑləˌplɔɪd/UK/ˈpɒlɪˌplɔɪd/

adjective

Having more than the usual number of complete sets of chromosomes in a single cell.

Similar
triploid
Opposite
haploiddiploid
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Meanings

adjectivepolyploid (not comparable)
  1. not comparablebiologyHaving more than the usual number of complete sets of chromosomes in a single cell.
nounpolyploid (plural polyploids)

plural polyploids

  1. A polyploid cell.
  2. A polyploid organism.

Synonyms & antonyms

adjectiveof a cell or organism having more than twice the haploid number of chromosomes

Similar
triploid
Opposite
haploiddiploid
Also see
triploid

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From poly- + -ploid.

Full word history & related roots →

Translations

German polyploid
  • polyploidhaving more than the usual number of complete sets of chromosomes
Portuguese poliploide
  • poliploidehaving more than the usual number of complete sets of chromosomes
Romanian poliploid
  • poliploidhaving more than the usual number of complete sets of chromosomes
Spanish poliploide
  • poliploidehaving more than the usual number of complete sets of chromosomes
Turkish poliploit
  • poliploithaving more than the usual number of complete sets of chromosomes
Cite this entry
APA

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

MLA

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

Chicago

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

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