po ‧ ten ‧ cy /ˈpəʊt ə nsi $ ˈpoʊ-/ BrE AmE noun [singular, uncountable]
1 . the power that something has to influence people
potency of
the potency of his arguments
The myth of male superiority was losing its potency.
2 . the strength of something, especially a drug, on your mind or body
potency of
the potency of the drug
3 . ( also sexual potency ) the ability of a man to have sex:
loss of potency after age 40