fluoridation

名词 fluoridation:

1. the addition of a fluoride to the water supply (to prevent dental decay)
   同义词：fluoridization, fluoridisation

fluor.i.da.tion

n.（名词）
The addition of a fluorine compound to a drinking water supply for the purpose of reducing tooth decay.
加氟化物：为减少牙齿受侵蚀而在饮用水中所加的氟化物