What does 海水 mean?
海水 is a Japanese noun meaning “seawater” or “salt water” in English. It is written as 海水 in kanji, かいすい in hiragana, and kaisui in romaji. This word is part of JLPT N3 vocabulary.
Example sentences
海水で顔を洗ったら、目が痛くなった。
My eyes stung after I washed my face in seawater.
海水から塩を作る。
Salt is made from seawater.