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.
〈技〉（光，照明）光化性的
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.
〈技〉（光，照明）光化性的
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.

词汇	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. 〈技〉（光，照明）光化性的 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. 〈技〉（光，照明）光化性的 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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