coloring+matter
71Carmine red — Carmine Car mine, n. [F. carmin (cf. Sp. carmin, It. carminio), contr. from LL. carmesinus purple color. See {Crimson}.] 1. A rich red or crimson color with a shade of purple. [1913 Webster] 2. A beautiful pigment, or a lake, of this color,… …
72carminic acid — Carmine Car mine, n. [F. carmin (cf. Sp. carmin, It. carminio), contr. from LL. carmesinus purple color. See {Crimson}.] 1. A rich red or crimson color with a shade of purple. [1913 Webster] 2. A beautiful pigment, or a lake, of this color,… …
73pigment — I. noun Etymology: Middle English, spice, dye, from Latin pigmentum coloring substance, from pingere to paint more at paint Date: 14th century 1. a substance that imparts black or white or a color to other materials; especially a powdered… …
74Color photography — Color film redirects here. For the motion picture equivalent, see Color motion picture film. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill s process did… …
75Pigmentation — The coloring of the skin, hair, mucous membranes, and retina of the eye. Pigmentation is due to the deposition of melanin which is a coloring matter. The melanin is produced by specialized cells called melanocytes. Other pigmented terms include… …
76chlorophyll — The magnesium complex of the phorbin derivative found in photosynthetic organisms; light absorbing green plant pigments that, in living plants, convert light energy into oxidizing and reducing power, thus fixing CO2 and evolving O2; the naturally …
77Perkin , Sir William Henry — (1838–1907) British chemist Perkin was born in London, the youngest son of a builder. His interest in chemistry was aroused early by some experiments shown to him by a young friend and he was fortunate to attend the City of London School, which… …
78Color — (Roget s Thesaurus) < N PARAG:Color >N GRP: N 1 Sgm: N 1 color color hue tint tinge dye complexion shade tincture cast livery coloration glow flush Sgm: N 1 tone …
79pigment — noun a chestnut brown pigment Syn: coloring matter, coloring, colorant, color, tint, dye, dyestuff …
80pigment — [n] color, shade colorant, coloring, coloring matter, dye, dyestuff, oil, paint, stain, tincture, tint; concepts 259,622 Ant. colorlessness …
