hypogonadism
Concise Oxford English Dictionary © 2008 Oxford University Press:
hypogonadism /ˌhʌɪpə(ʊ)ˈgəʊnadɪz(ə)m/
▶noun Medicine reduction or absence of hormone secretion or other physiological activity of the gonads (testes or ovaries).
– derivatives
hypogonadal adjective,
hypogonadic noun & adjective.
hypogonadal adjective,
hypogonadic noun & adjective.
'hypogonadism' also found in these Oxford entries:

