强音,扬音,急发症状
Ictus \Ic"tus\, n. [L., fr. icere, ictum, to strike.]
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.
ictus
n : a sudden occurrence (or recurrence) of a disease; "he
suffered an epileptic seizure" [syn: {seizure}, {raptus}]