Last Updated
：2025/11/21
hydrogen monoxide
Quizzes for review
(informal) dihydrogen monoxide (water (H₂O), but not hydrogen peroxide (H₂O₂) or the hydroxyl radical (-OH))
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
hydrogen monoxide
As a gag, the biology teacher wrote hydrogen monoxide on the board to see which students would realize she meant ordinary water.
See correct answer
As a gag, the biology teacher wrote hydrogen monoxide on the board to see which students would realize she meant ordinary water.
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
