photochromism Definition
the reversible transformation of a chemical species between two forms having different absorption spectra, one of which is usually colorless and the other highly colored, induced by electromagnetic radiation, especially by visible light.
Using photochromism: Examples
Take a moment to familiarize yourself with how "photochromism" can be used in various situations through the following examples!
Example
Photochromism is used in the production of photochromic lenses for eyeglasses.
Example
The photochromism of certain materials can be used to create color-changing paints and inks.
Summary: photochromism in Brief
Photochromism [foh-tuh-kroh-miz-uhm] is a process in which a chemical species undergoes a reversible transformation between two forms with different absorption spectra, one of which is colorless and the other highly colored. This process is induced by electromagnetic radiation, particularly visible light. Photochromism is commonly used in the production of photochromic lenses for eyeglasses and can also be used to create color-changing paints and inks.
