Actinic



pertaining to .
Historical Examples

In what season of the year is the actinic power of light the greatest?
The Reason Why Anonymous

But the figure passed beyond the actinic glare and vanished.
Astounding Stories of Super-Science, March 1930 Various

They have power to cause chemical changes, hence are known as the chemical or actinic rays.
Hero Tales of the Far North Jacob A. Riis

Because of the actinic, or chemical power of the rays of the sun.
The Reason Why Anonymous

Simply the darkening of preparations of silver, by the actinic rays.
The Reason Why Anonymous

Because of the actinic powers that accompany the solar light.
The Reason Why Anonymous

Then, three years ago, Moonbase had vanished in a flash of actinic light, leaving only a new minor crater in the crust of Luna.
Instant of Decision Gordon Randall Garrett

The so-called vital functions of animals and plants are also greatly influenced by the actinic or chemical rays.
Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley

If you recall, we spoke about the actinic rays which cause the chemical changes on the photographic plate.
The Wonder Island Boys: The Mysteries of the Caverns Roger Thompson Finlay

The bleaching power of light depends on its actinic or chemical rays, which, like chlorine, appear to act as an oxidising agent.
Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley

adjective
(of radiation) producing a photochemical effect

actinic ac·tin·ic (āk-tĭn’ĭk)
adj.
Of or relating to the chemically active rays of the electromagnetic spectrum.

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Read Also:

  • Actinic dermatitis

    actinic dermatitis actinic dermatitis n. Dermatitis caused by exposure to actinic radiation, such as sunlight or x-rays.

  • Actinic elastosis

    actinic elastosis actinic elastosis n. See colloid acne.



  • Actinic keratosis

    actinic keratosis actinic keratosis n. A warty lesion, often premalignant, occurring on the sun-exposed skin of the face or hands, especially of light-skinned persons. Also called senile keratosis.

  • Actinic granuloma

    actinic granuloma actinic granuloma n. An annular eruption on sun-exposed skin that microscopically shows phagocytosis of dermal elastic fibers by giant cells and histiocytes.



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