Decomposing under the influence of light; unstable when exposed to light; -- of chemical compounds.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "light-sensitive" in a sentence
"Film has proved itself an indispensable Global English word, even where it no longer has anything to do with films, or “coatings” of light-sensitive emulsions applied to plastic, or coatings of any kind."
"I remember buying books and tapes, LEGO Mindstorms, light-sensitive paper, etc."
"The so-called wet-plate process employed by Watkins involved a collodion emulsion holding light-sensitive silver salts, which was applied to the large glass plate for exposure for a minute or more before drying, then developed and printed on albumenized paper."