Definition, Meaning & Synonyms

actinic

Adjective

/ækˈtɪnɪk/

Definition

Relating to light, especially ultraviolet light, that can cause chemical reactions, such as photographs or reactions in living organisms.

Examples

The actinic rays from the sun can lead to skin damage if proper protection is not used.
In photography, actinic light is crucial for developing images on film.
Actinic dermatitis can occur in individuals exposed to UV light for prolonged periods.

Meaning

Actinic describes properties or effects of light that are capable of producing photochemical reactions. It often pertains to the spectrum of light that affects photosynthesis or skin reactions.