Oil stick
Encyclopedia
Oil stick, or oilstick, is an art
medium for applying color
. It is produced in a stick form similar to that of a crayon
or oil pastel
. It is distinguished from oil pastel, to which it may appear similar, in that the oil
used is comparatively volatile
, causing a skin to develop on exposed surfaces.
Art
Art is the product or process of deliberately arranging items in a way that influences and affects one or more of the senses, emotions, and intellect....
medium for applying color
Color
Color or colour is the visual perceptual property corresponding in humans to the categories called red, green, blue and others. Color derives from the spectrum of light interacting in the eye with the spectral sensitivities of the light receptors...
. It is produced in a stick form similar to that of a crayon
Crayon
A crayon is a stick of colored wax, charcoal, chalk, or other materials used for writing, coloring, drawing, and other methods of illustration. A crayon made of oiled chalk is called an oil pastel; when made of pigment with a dry binder, it is simply a pastel; both are popular media for color...
or oil pastel
Oil pastel
Oil pastel is a painting and drawing medium with characteristics similar to pastels and wax crayons. Unlike "soft" or "French" pastel sticks, which are made with a gum or methyl cellulose binder, oil pastels consist of pigment mixed with a non-drying oil and wax binder...
. It is distinguished from oil pastel, to which it may appear similar, in that the oil
Oil
An oil is any substance that is liquid at ambient temperatures and does not mix with water but may mix with other oils and organic solvents. This general definition includes vegetable oils, volatile essential oils, petrochemical oils, and synthetic oils....
used is comparatively volatile
Volatility (chemistry)
In chemistry and physics, volatility is the tendency of a substance to vaporize. Volatility is directly related to a substance's vapor pressure. At a given temperature, a substance with higher vapor pressure vaporizes more readily than a substance with a lower vapor pressure.The term is primarily...
, causing a skin to develop on exposed surfaces.