ploidy

https://doi.org/10.1351/goldbook.P04696
A term indicating the number of sets of chromosomes present in an organism, e.g. haploid (one) or diploid (two).
Source:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 163 [Terms] [Paper]