Klinefelter's syndrome

noun

Kline·​fel·​ter's syndrome ˈklīn-ˌfel-tərz- 

: an abnormal condition in a male characterized by usually two X and one Y chromosomes, infertility, smallness of the testicles, sparse facial and body hair, and enlarged breasts

called also Klinefelter syndrome

Word History

Etymology

Harry F. Klinefelter †1990 American physician

First Known Use

1950, in the meaning defined above

Medical Definition

Klinefelter's syndrome

noun

Kline·​fel·​ter's syndrome ˈklīn-ˌfel-tərz- 

variants also Klinefelter syndrome

-tər- 

: an abnormal condition in a male characterized by two X chromosomes and one Y chromosome, infertility, smallness of the testes, sparse facial and body hair, and gynecomastia