Last Updated
:2025/11/21
paraboloid
( plural )
Quizzes for review
(mathematics) A surface having a parabolic cross section parallel to an axis, and circular or elliptical cross section perpendicular to the axis; especially the surface of revolution of a parabola.
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
paraboloid
The antenna's reflector was shaped like a paraboloid to focus incoming radio waves to the receiver.
See correct answer
The antenna's reflector was shaped like a paraboloid to focus incoming radio waves to the receiver.
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