Definition of actinic in English:

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actinic

Pronunciation: /akˈtɪnɪk/

adjective

technical
(Of light or lighting) able to cause photochemical reactions, as in photography, through having a significant short wavelength or ultraviolet component.
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.

Derivatives

actinism

Pronunciation: /ˈaktɪˌnɪz(ə)m/
noun
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.

Origin

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

Words that rhyme with actinic

clinic, cynic, Finnic, Jacobinic, rabbinic

For editors and proofreaders

Line breaks: ac|tin¦ic

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