Last Updated
：2025/11/22
Iceland spar
Sense（1）
（ plural ）
Quizzes for review
A transparent form of calcite, used to demonstrate the polarisation of light.
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
Iceland spar
She used an Iceland spar to demonstrate how polarized light can split into two images through double refraction.
See correct answer
She used an Iceland spar to demonstrate how polarized light can split into two images through double refraction.
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
