单词 | sodium fluoride |
释义 | sodium fluoride in American English a colorless, toxic, crystalline powder, NaF, with many uses, esp. as an insecticide, in making glass, and, in minute quantities, in toothpaste and to fluoridate public water supplies sodium fluoride in American Englishnoun a colorless, crystalline, water-soluble, poisonous solid, NaF, used chiefly in the fluoridation of water, as an insecticide, and as a rodenticide Word origin [1900–05]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: decompression, desensitize, hookup, hydroplane, internshipExamples of 'sodium fluoride' in a sentence |
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