fluoridation
n.
1904, "process of absorbing fluoride," from fluoride + -ation. In reference to adding traces of fluoride to drinking water as a public health policy, from 1949.
| 词汇 | fluoridation |
| 词根词缀 | Online Etymology Dictionary fluoridation n. 1904, "process of absorbing fluoride," from fluoride + -ation. In reference to adding traces of fluoride to drinking water as a public health policy, from 1949. |
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