ex·ac·er·ba·tion /-ˌzæsɝˈbeʃən/ 名詞
1. The act of rendering more violent or bitter; the state of being exacerbated or intensified in violence or malignity; as, exacerbation of passion.
2. Med. A periodical increase of violence in a disease, as in remittent or continuous fever; an increased energy of diseased and painful action.
n 1: action that makes a problem or a disease (or its symptoms)
worse; "the aggravation of her condition resulted from
lack of care" [syn: aggravation]
2: violent and bitter exasperation; "his foolishness was
followed by an exacerbation of their quarrel"