dyestuff
dyestuff — noun
1. a powder, liquid, or other substance that is put onto cloth, hair, or other mate
a powder, liquid, or other substance that is put onto cloth, hair, or other materials to give them a lasting colour that stays after washing.
The artisan mixed the blue dyestuff with hot water before dipping the white wool in.
collocation: mix dyestuff with water
Erik spilled the red dyestuff on the bench while preparing samples for a colour test.
dyestuff + on [surface] for preparation
Greta bought several packets of natural dyestuff made from crushed insects and tree bark.
The factory uses a synthetic dyestuff that resists fading even after many hot washes.
A spoon of yellow dyestuff was stirred into the blue mixture for a green shade.
用法筆記
Often used in technical or industrial contexts. In everyday conversation, most English speakers simply say 'dye' instead. When you need to refer specifically to the raw material (e.g. in manufacturing, chemistry, or textile arts), 'dyestuff' is more precise.