Studies on the effectiveness of cranberry juice for preventing or treating UTIs have produced mixed results. The red berry contains a tannin that prevents E. coli bacteria - the most common cause of urinary tract infections - from sticking to the walls of the bladder, where they can cause infection.
primary color for pigments - any of three pigments from which all colors can be obtained by mixing; the primary colors for pigments are red, blue, and yellow. primary colour for pigments. primary color, primary colour - any of three colors from which all others can be obtained by mixing.
Cyan, magenta, and yellow are the three subtractive primary colors used in printing. In color printing, the color called process magenta or pigment magenta is one of the three primary pigment colors which, along with yellow and cyan, constitute the three subtractive primary colors of pigment.