actinic

adjective

UK /ækˈtɪnɪk/

US /ækˈtɪnɪk/

Actinic means made by or related to the light from the sun.

The actinic rays of the sun can damage your skin.

SYNONYMS

solar sunlight-related radiant ultraviolet

RELATED WORDS

radiation sunlight photosensitive light

OTHER MEANINGS

2. Relating to or caused by radiation, especially ultraviolet light.

Actinic keratosis is a skin condition caused by sun exposure.

3. Having the property of emitting or transmitting light.

The actinic glass allowed the light to pass through.

4. Pertaining to the chemical effects of light.

Actinic reactions are important in photography.