Longman Dictionary of Contemporary English
colourant
noun
EXAMPLES FROM CORPUS
▪ Although it is sold under that name it will have been replaced with a pigment or dye colourant.
▪ Delicate waves and subtle highlights enhance gentle movement Natural colourant adds richness to long, wavy hair.
Wiktionary
colourant
alt. A pigment, dye etc added to something to change its colour or hue n. A pigment, dye etc added to something to change its colour or hue
Wikipedia
Colourant
A colourant (British spelling) or colorant (American spelling) is something added to something else to cause a change in colour. Colourants can be:
- Dyes
- Pigments
- Biological pigments
- Inks
- Paint
- Coloured chemicals
- Food colourings
For example, colourants could be adding white to tint a paint, or black to shade a paint, ultimately changing the colour or value.
ja:色素
Category:Color
Usage examples of "colourant".
It's got a very clever chemical colourant in it, to give it a unique cream tint.
The cotton and linen fibres, the chemical colourant, the introduction of the red and blue polymer threads.