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单词 actinic
释义

Definition of actinic in English:

actinic

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

    Example sentencesExamples
    • 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.
    • This approach can be very cost-effective, since the cost of non-LED based actinic illumination is significantly lower than LED-based illumination.
    • Following this, leaves were illuminated with actinic light until a steady-state photosynthetic rate was reached.
    • Continuous actinic illumination was provided through the fourth port of the vessel from a Schott KL1500 light source.

Derivatives

  • actinism

  • noun ˈaktɪˌnɪz(ə)mˈæktəˌnɪzəm
    technical
    • 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.
      Example sentencesExamples
      • 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.

Rhymes

clinic, cynic, Finnic, Jacobinic, rabbinic
 
 

Definition of actinic in US English:

actinic

adjectiveækˈtɪnɪkakˈtinik
technical
  • attributive Relating to or denoting light able to cause photochemical reactions, as in photography, through having a significant short wavelength or ultraviolet component.

    Example sentencesExamples
    • These states were detected both by short actinic flashes and by the switching of the actinic illumination level between different stationary state values.
    • Continuous actinic illumination was provided through the fourth port of the vessel from a Schott KL1500 light source.
    • Following this, leaves were illuminated with actinic light until a steady-state photosynthetic rate was reached.
    • This approach can be very cost-effective, since the cost of non-LED based actinic illumination is significantly lower than LED-based illumination.
    • Leaves were then illuminated with actinic light and saturating flashes of 0.7 s duration were applied every 1.5 min.

Origin

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

 
 
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更新时间:2024/12/23 19:44:34