Definition of colourant in English:

colourant

(US colorant)

noun

  • A dye, pigment, or other substance that colours something.

    ‘a range of natural hair colourants’
    mass noun ‘the amount of colourant that must be applied’
    • ‘After they are fired, the pieces are sprayed with colorants, primarily red iron oxide.’
    • ‘Levels of colourants in the failed samples were not excessive, and gave no cause for alarm.’
    • ‘Within a few years, a variety of these potentially safer organic dyes began to replace mineral pigments as food colorants.’
    • ‘Hair colourants are safe consumer products when used as directed and many millions of people colour their hair many times a year without any adverse reaction.’
    • ‘These colorants are believed to excite the central nervous system, and have been implicated in stress-related conditions, such as childhood hypersensitivity, attention deficit disorder and certain allergies.’
    • ‘We have completely changed our school menus to exclude additives and colourants.’
    • ‘Once the choice is made, the computerised dispensing machine adds colourants to the base paints to produce the required shade.’
    • ‘Sudan 1's dark red properties make it an ideal colourant for petrol, oils, waxes and shoe polish.’
    • ‘To mimic the natural shades of wild salmon, colorants are added to farmed salmon.’
    • ‘Other common additives are antioxidants, stabilizers, and colorants.’
    • ‘For instance, there are botanical-based hair colorants rich in herbs such as nettle, sage, red sorrel, rosemary and burdock.’
    • ‘It's fine to use hair colourants and perm lotions on your hair, although you may find the results are unpredictable.’
    • ‘Correspondingly, plants have been used through unwritten and written history as a source of medicines, fragrances, spices, and colourants.’
    • ‘Now there are more than 3,000 different additives, including a wide range of colourants.’
    • ‘Food additives, such as preservatives and colourants, can also cause skin rashes and wheezing.’
    • ‘I understand that there is a huge upswing in the sales of hair colourants, especially for the younger girls and boys.’
    • ‘Lobsters and crabs, as well as some mollusks, worms, and fish species (salmon and trout, for example), use carotenoid colorants.’
    • ‘The chemical industry produces such colorants to stain consumer goods.’
    • ‘The lattice, with its entwined flowering twig pattern, was finished in pink, bronze, and green by brushing on copper-based colorants.’
    • ‘Most tattoo colorants are industrial pigments, and chemical industries have never produced them for human use but only to stain consumer goods.’
    paint, pigment, coloration, dye, stain, tint, wash
    View synonyms

Pronunciation

colourant

/ˈkʌlər(ə)nt/