coloring

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The art, manner, or process of applying color.
2. n. A substance used to color something.
3. n. Appearance with regard to color.
4. n. Characteristic aspect, tone, or style.
5. n. False or misleading appearance.

Century Dictionary and Cyclopedia

1. n. The act or art of applying or combining colors, as in painting.
2. n. A combination of color; tints or hues collectively; effect of a combination of tints, as in a picture or natural landscape.
3. n. A particular use of color, or style of combining colors, as in the work of an artist.
4. n. A peculiar character or indefinable tone analogous to the effect of a general hue or tint, or of the combination of colors in a painting: said especially of tendency or style in writing or speaking.
5. n. A specious appearance; pretense; show: as, the story has a coloring of truth.
6. n. In music, same as colorature.
7. n. The commercial name for a preparation of caramel used to color soups and gravies. See caramel, 1.

Wiktionary

1. v. present participle of color.
2. n. An act or process which applies color.
3. n. The appearance as to color.
4. n. A disguise or discoloration.

GNU Webster's 1913

1. n. The act of applying color to; also, that which produces color.
2. n. Change of appearance as by addition of color; appearance; show; disguise; misrepresentation.

WordNet 3.0

1. n. a visual attribute of things that results from the light they emit or transmit or reflect
2. n. the act or process of changing the color of something
3. n. a digestible substance used to give color to food