The meat patties are superficially cooked, the edges browned with a torch and the meat made to look more appetizing with a colorant.
en.wikipedia.org She was particularly adept in lustre, an overglaze colorant fired at low temperatures.
en.wikipedia.org Tin oxide is valued in glazes as both an opacifier and as a white colorant.
en.wikipedia.org These are frequently contrasted with words such as: plastic, synthetic, petro-chemical, petroleum derivative, colorant, white spirit, latex, vinyl, polyurethane and acrylic.
www.countrylife.co.uk The range included the colorant ultramarine laundry bluing agent, gloss starch, a liquid cleaning agent, a pomade for cleaning, beef extract, and a hair pomade.
en.wikipedia.org