Liberal Dictionary English Dictionary
abnormal number of chromosomes, 1934, from aneuploid (1931), Modern Latin, coined 1922 by G. Täckholm from an- (1) “not” + euploid, from Greek eu- “well, good” (see eu-) + -ploid, from ploos “fold” + -oid.
n.
- The state of having a chromosome number that is not a multiple of the haploid number.
- The state or condition of being aneuploid.