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单词 fluoridation
释义 flu·o·ri·da·tion
\ˌflu̇rəˈdāshən, ˌflōr-, ˌflȯr-\ noun
(-s)
Etymology: fluoride + -ation
: the addition of fluorine usually as a fluoride to something: as
 a. : the introduction of fluorine into rocks as indicated by the formation of such minerals as fluorite and topaz
 b. : the adding of a fluoride to drinking water
  < fluoridation of public water supplies for prevention of tooth decay in children >
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