What does 上昇 mean?
上昇 is a Japanese noun meaning “rising, ascending, climbing” in English. It is written as 上昇 in kanji, じょうしょう in hiragana, and joushou in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
機は急角度で上昇し、それから海岸を離れるにつれて水平飛行に移った。
The plane rose sharply before leveling off as it left the coast.