the tough natural covering of some organisms | protective covering that protects something from direct sunlight |
a covering that is intend to protect from damage or injury | a representation of the effect of shadows in a picture or drawing (as by shading or darker pigment) |
| a protective ornamental covering for a lamp, used to screen a light bulb from direct view |
| a quality of a given color that differs slightly from another color |
| a mental representation of some haunting experience |
| a subtle difference in meaning or opinion or attitude |
| a slight amount or degree of difference |
| relative darkness caused by light rays being intercepted by an opaque body |
| a position of relative inferiority |