photosensitive

adjective

UK /ˌfəʊtəʊˈsensətɪv/

US /ˌfoʊtoʊˈsensətɪv/

Something photosensitive gets hurt or changes when light shines on it.

The doctor said her photosensitive skin should stay out of the sun.

SYNONYMS

light-sensitive sun-sensitive light-reactive photoactive

RELATED WORDS

light sunlight sensitivity reaction film

OTHER MEANINGS

2. Able to respond to light, as certain cells or materials do.

The photosensitive cells in the eye help us see in dim light.

3. Reacting to light by changing color or becoming damaged.

Photosensitive paper darkens when it is exposed to sunlight.

4. A person or animal whose skin reacts badly to sunlight.

Photosensitive patients are advised to wear sunscreen every day.