photosensitize
verb
pho·to·sen·si·tize ˌfō-tō-ˈsen(t)-sə-ˌtīz 
photosensitized; photosensitizing; photosensitizes
transitive verb
: to sensitize to the influence of radiant energy and especially light
photosensitizer noun
Example Sentences
Recent Examples on the Web Its sap contains toxic chemicals known as photosensitizing furanocoumarins. 
Caitlin O'kane, CBS News, 18 June 2018 Its sap contains toxic chemicals known as photosensitizing furanocoumarins. Caitlin O'kane, CBS News, 18 June 2018
Caitlin O'kane, CBS News, 18 June 2018 Its sap contains toxic chemicals known as photosensitizing furanocoumarins. Caitlin O'kane, CBS News, 18 June 2018 Word History
First Known Use
circa 1923, in the meaning defined above
Medical Definition
photosensitize
transitive verb
pho·to·sen·si·tize -ˈsen(t)-sə-ˌtīz
variants also British photosensitise
photosensitized also British photosensitised; photosensitizing also British photosensitising
: to make sensitive to the influence of radiant energy and especially light