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ploidy Line breaks: ploidy
Pronunciation: /ˈplɔɪdi/

Definition of ploidy in English:


[mass noun] Genetics
The number of sets of chromosomes in a cell, or in the cells of an organism: [as modifier]: ploidy levels
More example sentences
  • Four of the chromosome counts represented new ploidy levels.
  • Grass genomes differ greatly in chromosome number, ploidy level, and size.
  • Chromosome number and ploidy vary greatly and there is much overlap between them.


1940s: from words such as (di)ploidy and (poly)ploidy.

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