andropause
noun
an·dro·pause ˈan-drə-ˌpȯz 
: a gradual and highly variable decline in the production of androgenic hormones and especially testosterone in the human male together with its associated effects that is held to occur during and after middle age
called also climacteric, male menopause
Word History
Etymology
borrowed from French, from andro- andro- + -pause (in ménopause menopause)
First Known Use
1967, in the meaning defined above
Medical Definition
andropause
noun
an·dro·pause ˈan-drə-ˌpȯz
: a gradual and highly variable decline in the production of androgenic hormones and especially testosterone in the human male together with its associated effects that is held to occur during and after middle age but is often difficult to discriminate from the effects of confounding factors (as chronic illness, stress, or medication use) that can depress testosterone levels
called also male climacteric, male menopause, viropause