残ざん渣さ

noun

dregs; sediment; residue

Refers to solid or semi-solid remains left after a process, such as coffee grounds, tea leaves, or industrial residue. Often used in technical or formal contexts.

• コーヒーの残ざん渣さを捨すててください。

  Please throw away the coffee grounds.

• この液えき体たいには残ざん渣さが多おおく含ふくまれている。

  This liquid contains a lot of sediment.