Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

photosensitive

play
adjective pho·to·sen·si·tive \-ˈsen(t)-s(ə-)tiv\

Simple Definition of photosensitive

  • : reacting to light by changing color, creating electricity, etc.

Source: Merriam-Webster's Learner's Dictionary

Full Definition of photosensitive

  1. 1 :  sensitive to the action of radiant energy <photosensitive paper>

  2. 2 :  being or caused by an abnormal reaction to sunlight <photosensitive rashes>

photosensitivity play \-ˌsen(t)-sə-ˈti-və-tē\ noun

Examples of photosensitive in a sentence

  1. paper with a photosensitive coating



1886

First Known Use of photosensitive

1886


Medical Dictionary

photosensitive

play
adjective pho·to·sen·si·tive \ˌfōt-ō-ˈsen(t)-sət-iv, -ˈsen(t)-stiv\

Medical Definition of photosensitive

  1. 1:  sensitive or sensitized to the action of radiant energy <photosensitive paper>

  2. 2:  being or caused by an abnormal reaction to sunlight <photosensitive rashes>

photosensitivity \-ˌsen(t)-sə-ˈtiv-ət-ē\play noun plural photosensitivities



Learn More about photosensitive


Seen and Heard

What made you want to look up photosensitive? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to expose to danger or risk

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ