DICT.TW Dictionary Taiwan

 im·po·tence /ˈɪmpətən(t)s/
 無力,虛弱,無效,陽萎

 im·po·tence /ˈɪmpətən(t)s/ 名詞
 性無能,無能力,陽痿,陽萎

 Im·po·tence Im·po·ten·cy n.
 1. The quality or condition of being impotent; lack of strength or power, animal, intellectual, or moral; weakness; feebleness; inability; imbecility.
    Some were poor by impotency of nature; as young fatherless children, old decrepit persons, idiots, and cripples.   --Hayward.
    O, impotence of mind in body strong!   --Milton.
 2. Lack of self-restraint or self-control. [R.]
 3. Law & Med. Lack of procreative power; inability to copulate, or beget children; also, sometimes, sterility; barrenness; specifically, in males: the inability to achieve or sustain a penile erection; erectile dysfunction.
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 impotence
      n 1: the quality of lacking strength or power; being weak and
           feeble [syn: powerlessness, impotency] [ant: power,
            power]
      2: an inability (usually of a male) to copulate [syn: impotency]