ic·tus /ˈɪktəs/
  強音,揚音,急發癥狀
  ic·tus /ˈɪktəs/ 名詞
  (複ictus)發作,暴發,猝發
  Ic·tus n.
  1. Pros. The stress of voice laid upon accented syllable of a word.  Cf. Arsis.
  2. Med. A stroke or blow, as in a sunstroke, the sting of an insect, pulsation of an artery, etc.
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  ictus
       n : a sudden occurrence (or recurrence) of a disease; "he
           suffered an epileptic seizure" [syn: seizure, raptus]