noun
saddening (dye); darkening agent
Technical dyeing term: the process of darkening a color or the agent used to do so.
染色工程で色出しを行うと、生地の色が深くなる。
When saddening is performed in the dyeing process, the fabric's color becomes deeper.
この染料には色出しの効果がある。
This dye has a darkening effect.
noun
Cooking term: briefly boiling vegetables to set color or remove harshness.
ほうれん草は色出ししてから和え物に使う。
Spinach is blanched before being used in dressed dishes.