photosensitive
adjective
pho·to·sen·si·tive
ˌfō-tō-ˈsen(t)-s(ə-)tiv 
1
: sensitive to the action of radiant energy
photosensitive paper
2
: being or caused by an abnormal reaction to sunlight
photosensitive rashes
Examples of photosensitive in a Sentence
paper with a photosensitive coating
Recent Examples on the Web
The video prominently features Noé’s signature strobe effects and begins with a warning for photosensitive viewers.
—
Jon Blistein, Rolling Stone, 10 Oct. 2025
One such wrinkle surrounds laser printers: The toner cartridges for some lasers include the photosensitive material that transfers the toner to the page in the cartridge, while others have a separate imaging unit that lasts through more than one cartridge, and adds to the cost per page.
—PC Magazine, 30 Sep. 2025
People who are photosensitive experience an immune system reaction to sunlight.
—Sherri Gordon, Health, 15 Sep. 2025
For a small fee, Louis would take a customer’s picture, then transfer a postcard-size image directly from the glass plate onto photosensitive paper.
—Ed Caesar, New Yorker, 13 July 2025
See All Example Sentences for photosensitive
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Jon Blistein, Rolling Stone, 10 Oct. 2025
One such wrinkle surrounds laser printers: The toner cartridges for some lasers include the photosensitive material that transfers the toner to the page in the cartridge, while others have a separate imaging unit that lasts through more than one cartridge, and adds to the cost per page.
—PC Magazine, 30 Sep. 2025
People who are photosensitive experience an immune system reaction to sunlight.
—Sherri Gordon, Health, 15 Sep. 2025
For a small fee, Louis would take a customer’s picture, then transfer a postcard-size image directly from the glass plate onto photosensitive paper.
—Ed Caesar, New Yorker, 13 July 2025
See All Example Sentences for photosensitive
Cite this Entry
“Photosensitive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photosensitive. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
photosensitive
adjective
pho·to·sen·si·tive
ˌfōt-ō-ˈsen(t)-sət-iv, -ˈsen(t)-stiv
1
: sensitive or sensitized to the action of radiant energy
photosensitive paper
2
: being or caused by an abnormal reaction to sunlight
photosensitive rashes
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