Definition of colorant in US English:

colorant

(British colourant)

noun

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

    ‘a range of natural hair colorants’
    mass noun ‘the amount of colorant that must be applied’
    • ‘The chemical industry produces such colorants to stain consumer goods.’
    • ‘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.’
    • ‘I understand that there is a huge upswing in the sales of hair colourants, especially for the younger girls and boys.’
    • ‘Other common additives are antioxidants, stabilizers, and colorants.’
    • ‘Food additives, such as preservatives and colourants, can also cause skin rashes and wheezing.’
    • ‘Now there are more than 3,000 different additives, including a wide range of colourants.’
    • ‘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.’
    • ‘Most tattoo colorants are industrial pigments, and chemical industries have never produced them for human use but only to stain consumer goods.’
    • ‘For instance, there are botanical-based hair colorants rich in herbs such as nettle, sage, red sorrel, rosemary and burdock.’
    • ‘Within a few years, a variety of these potentially safer organic dyes began to replace mineral pigments as food colorants.’
    • ‘Correspondingly, plants have been used through unwritten and written history as a source of medicines, fragrances, spices, and colourants.’
    • ‘After they are fired, the pieces are sprayed with colorants, primarily red iron oxide.’
    • ‘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.’
    • ‘The lattice, with its entwined flowering twig pattern, was finished in pink, bronze, and green by brushing on copper-based colorants.’
    • ‘To mimic the natural shades of wild salmon, colorants are added to farmed salmon.’
    • ‘Levels of colourants in the failed samples were not excessive, and gave no cause for alarm.’
    • ‘Sudan 1's dark red properties make it an ideal colourant for petrol, oils, waxes and shoe polish.’
    • ‘It's fine to use hair colourants and perm lotions on your hair, although you may find the results are unpredictable.’
    • ‘Lobsters and crabs, as well as some mollusks, worms, and fish species (salmon and trout, for example), use carotenoid colorants.’
    paint, pigment, colourant, coloration, dye, stain, tint, wash
    View synonyms

Pronunciation

colorant

/ˈkələrənt//ˈkələrənt/