Last Updated
：2025/11/19
fluorine
Noun
uncountable
countable
Japanese Meaning
フッ素: 原子番号9、元素記号Fの化学元素。ハロゲン元素の中で最も軽い。淡黄色がかった緑色の非常に反応性の高い気体で、ほとんどの金属に対して攻撃性を示す。
（ plural ）
Quizzes for review
(uncountable) The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
fluorine
Because fluorine is so reactive, even trace amounts can corrode metals rapidly, so it must be handled with extreme caution in specialized equipment.
See correct answer
Because fluorine is so reactive, even trace amounts can corrode metals rapidly, so it must be handled with extreme caution in specialized equipment.
音声機能が動作しない場合はこちらをご確認ください
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
