Last Updated
：2025/11/22
watch glass
Noun
Japanese Meaning
化学実験などで使用される、やや凹面を持つ円形のガラス器具。少量の試料保持、液体の蒸発、ビーカーの覆いとして用いられる。
Sense（1）
Sense（3）
（ plural ）
Quizzes for review
(chemistry) An item of glass laboratory equipment consisting of a simple, slightly concave circle of glass. It is a general utility item, used to hold small samples, to evaporate liquids, to cover a beaker, and so on.
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
watch glass
Before heating the solution, gently place a few drops on the watch glass to observe any color change during evaporation.
See correct answer
Before heating the solution, gently place a few drops on the watch glass to observe any color change during evaporation.
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
