- (Of light or lighting) able to cause photochemical reactions, as in photography, through having a significant short wavelength or ultraviolet component.More example sentences
- This approach can be very cost-effective, since the cost of non-LED based actinic illumination is significantly lower than LED-based illumination.
- These states were detected both by short actinic flashes and by the switching of the actinic illumination level between different stationary state values.
- Leaves were then illuminated with actinic light and saturating flashes of 0.7 s duration were applied every 1.5 min.
- More example sentences
- Optical radiation may cause chemical changes in living or non-living materials: this property is called actinism and radiation capable of causing such changes is referred to as actinic radiation.
- The author here suggests the introduction of a useful word, radiance, to express the light, radiant heat, and actinism of the sun, which are evidently modifications of the same form of energy.
- The germination of seeds in the spring is dependent upon the variations in the amount of actinism or chemical influence of light and heat.
mid 19th century: from Greek aktis, aktin- 'ray' + -ic.
More definitions of actinicDefinition of actinic in:
- The US English dictionary