Salt Water
noun
Water with salt in it is salt water. Best not to drink 塩水.
しおみず, えんすい
The readings are the kun'yomi vocab readings. You know 塩's from the kanji and you know 水's from the vocab word 水. Combine them together and you have しおみず.
私は毎日塩水を飲んでいます。
I drink salt water every day.
ブロッコリーは、塩水に5分つけておきます。
Let broccoli soak in salted water for five minutes.
海水は塩水なのでキズにしみます。
Sea water stings on wounds because it's salty.