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impotence
(imīpә-tәns)
inability of the male to achieve or maintain an erection of sufficient rigidity to perform sexual intercourse successfully.
An impotent man may be of normal fertility, producing normal quantities of spermatozoa. Causes of impotence are usually classified
as either physiological (organic impotence) or psychological (psychogenic impotence. adj., imīpotent., adj.

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