浮ふ遊ゆう物ぶっ質しつ

noun

suspended solids

Technical term used in environmental science and water quality contexts to refer to particulate matter floating in water.

• この河か川せんの浮ふ遊ゆう物ぶっ質しつの濃のう度どは環かん境きょう基き準じゅんを超こえ