Japanese edit

Kanji in this term
けい
Grade: 3

Grade: 1
on’yomi
Alternative spelling
輕氣 (kyūjitai)

Pronunciation edit

Noun edit

(けい)() (keiki

  1. gas lighter than air

References edit

  1. ^ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN