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.
Magenta, yellow, and cyan are the âsubtractiveâ primary colors, which means they can be combined to make any other color but cannot themselves be mixed from other colors. Subtractive primaries are used when mixing pigments such as inks, dyes, and paints. Magenta and yellow mixed make reds and oranges.