English noun: XXY-syndrome | |||
1. | XXY-syndrome (state) syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male | ||
Synonyms | Klinefelter syndrome, Klinefelter's syndrome | ||
Broader (hypernym) | syndrome | ||