1.
salt water, brine, saline solution
Water with salt dissolved in it. Used in cooking (for soaking, washing, or preserving), as well as in everyday and scientific contexts. Distinct from seawater, though seawater is a type of salt water.
Usage
塩水 refers to salt water prepared intentionally, as in cooking or science. It is distinct from 海水 (seawater), which refers specifically to ocean water. In cooking, salt water is commonly used for soaking vegetables, boiling pasta, and preventing oxidation of cut fruit.