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.
Please throw away the coffee grounds.
They remove the residue left in the filter.
This liquid contains a lot of sediment.
The researcher analyzed the residue left after the reaction.
After evaporation, residue remained at the bottom of the container.
Compound of 残 (ざん, 'remain') and 渣 (さ, 'dregs'). The kanji 渣 is relatively uncommon and primarily appears in this compound.