Pigments
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Pigments
Pigments (/ˈpɪɡmənts/) are substances that absorb certain wavelengths of visible light and reflect others. They are responsible for the color of a wide variety of things, including paints, inks, and natural substances like skin and leaves.
Etymology
The word "pigment" comes from the Latin pigmentum, which means "paint". It was first used in English in the 14th century.
Types of Pigments
There are many different types of pigments, including:
- Organic pigments: These are pigments that are made up of organic compounds. They are often used in dyes and inks.
- Inorganic pigments: These are pigments that are made up of inorganic compounds. They are often used in paints and coatings.
- Biological pigments: These are pigments that are produced by living organisms. They are responsible for the color of many plants and animals.
Related Terms
- Color: This is the characteristic of visual perception that can be described by attributes of hue, saturation, and lightness.
- Dye: This is a substance that is used to change the color of something.
- Ink: This is a liquid or paste that contains pigments and is used to color a surface to produce an image, text, or design.
- Paint: This is a substance that is used to color a surface. It is made up of pigments mixed with a binder.
- Coating: This is a covering that is applied to a surface to protect it or change its appearance.
See Also
External links
- Medical encyclopedia article on Pigments
- Wikipedia's article - Pigments
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