Quizzes for review
The dentist explained that sodium fluoride in the toothpaste strengthens enamel when used in safe trace amounts.
See correct answer
The dentist explained that sodium fluoride in the toothpaste strengthens enamel when used in safe trace amounts.
音声機能が動作しない場合はこちらをご確認ください
Related words
sodium fluoride
IPA(Pronunciation)
Noun
uncountable
Japanese Meaning
ナトリウムフッ化物：毒性を持つ結晶状の塩（NaF）で、飲料水のフッ化、歯磨き粉、冶金での助熔剤、及び農薬として少量使用される化合物。
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
