Last Updated
：2026/01/05
外気圏
Hiragana
がいきけん
Noun
Japanese Meaning
地球大気の最も外側に位置する層で、主に水素やヘリウムなどの軽い気体からなり、宇宙空間との境界にあたる部分。 / 比喩的に、日常世界から遠く離れた、隔絶された環境や領域。
Easy Japanese Meaning
地球のいちばん外がわの空で、空気がとてもうすい高い場所
Chinese (Simplified) Meaning
外逸层 / 大气层的最外层
Chinese (Traditional) Meaning
外逸層；大氣的最外層 / 地球或行星大氣的最外層，分子易逸入太空
Korean Meaning
지구 대기권의 최상층 / 우주와 경계를 이루는 대기의 최외곽층
Vietnamese Meaning
tầng ngoại quyển / lớp khí quyển ngoài cùng của Trái Đất
Tagalog Meaning
eksospera / pinakalabas na sapin ng atmospera ng Daigdig / pinakamataas na bahagi ng atmospera, malapit sa kalawakan
Sense（1）
(meteorology) the exosphere
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
外気圏
See correct answer
The exosphere is the outermost layer of Earth's atmosphere.
The exosphere is the outermost layer of Earth's atmosphere.
See correct answer
外気圏は地球の最も外側の大気層です。
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- 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
