incidence
中文来自 ECDICT
- n.
- 发生,发生率,影响,负担者,入射,倾角
演变路径(由近及远)
- 英语
- 源自 ←中古法语 incidence
- 源自 ←中世纪拉丁语 incidentia “a falling upon”
- 源自 ←拉丁语 incidens
原始词根
原始印欧语 *ḱh₂d-
词源说明
From Middle French incidence, from Medieval Latin incidentia (“a falling upon”), from Latin incidens, present participle of incidere (“to fall upon”), from in (“on”) + cadere (“to fall”).
释义(英文)
名词 Noun
- The act of something happening; occurrence.
- The extent or the relative frequency of something happening.
- The manner of falling; bearing or onus, as of a tax that falls unequally.
- (physics) The striking of radiation or a projectile upon a surface.
- (epidemiology