Adjective "actinic" definition and examples

(Actinic may not be an adjective, but it can be used as an adjective, click here to find out.)



Definitions and examples


(of light or lighting) able to cause photochemical reactions, as in photography, through having a significant short wavelength or ultraviolet component.
  1. 'Following this, leaves were illuminated with actinic light until a steady-state photosynthetic rate was reached.'
  2. 'These states were detected both by short actinic flashes and by the switching of the actinic illumination level between different stationary state values.'

More definitions

1. pertaining to actinism.

More examples(as adjective)

"tubes can be actinic."

"keratosises can be actinic."

"proportions can be actinic."

"degradations can be actinic."


Mid 19th century: from Greek aktis, aktin- ‘ray’ + -ic.