Dictionary/成層圏せいそうけんSeisouken成層圏 (Seisouken) is a Japanese noun meaning “stratosphere”.MeaningsnounstratosphereKanji in 成層圏成turn into層stratum圏sphereRelated words成る程I see行き成りabruptly可也considerably成功success成すto form完成completion成長growth成立formation賛成approval成績results成るべくas (much) as possible成分ingredient