Medical Dictionary

photostable

adj pho·to·sta·ble \-ˈstā-bəl\

Medical Definition of PHOTOSTABLE

:  resistant to change under the influence of radiant energy and especially of light
pho·to·sta·bil·i·ty \-stə-ˈbil-ət-ē\ noun, plural pho·to·sta·bil·i·ties

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears