Word

trisomy, n.
(trisomies)

chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell
<noun.state>

trisomy

semantic pointers

hyponym

mongolism, mongolianism, Down's syndrome, Down syndrome, trisomy 21

hypernym

chromosomal aberration, chromosomal anomaly, chrosomal abnormality, chromosonal disorder