aneuploid

adjective

1. (of polyploid cells or organisms) having a chromosome number that is not an exact multiple of the haploid number, caused by one chromosome set being incomplete

noun

2. a cell or individual of this type

n.

1. A cell or an organism characterized by aneuploidy.

1. Having a chromosome number that is not a multiple of the haploid number for the species. Many types of tumor cells are aneuploid. Compare diploid haploid.