| 单词 | epidemic |
| 释义 | epidemic —epidemically, adv. —epidemicity /ep'i deuh mis"i tee/, n. /ep'i dem"ik/, adj. 1. Also, epidemical. (of a disease) affecting many persons at the same time, and spreading from person to person in a locality where the disease is not permanently prevalent. 2. extremely prevalent; widespread. n. 3. a temporary prevalence of a disease. 4. a rapid spread or increase in the occurrence of something: an epidemic of riots. [1595-1605; obs. epidem(y) ( < LL epidemia < Gk epidemía staying in one place, among the people, equiv. to epi- EPI- + dêm(os) people of a district + -ia -Y3) + -IC] |
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