What does 海王星 mean?
海王星 is a Japanese noun meaning “Neptune” in English. It is written as 海王星 in kanji, かいおうせい in hiragana, and kaiousei in romaji. This word is part of JLPT N2 vocabulary.
Example sentences
海王星は太陽系の八番目の惑星だ。
Neptune is the eighth planet in the solar system.
海王星は青く見える。
Neptune looks blue.