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How To Use Actinism In A Sentence

  • 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.
  • Meanwhile, two or three interesting investigations naturally suggest themselves; to determine, for instance, the relative actinism of blue sky, haze, and clouds; also, the relative exposures proper to give at different hours of the day, at different seasons of the year, and in different countries. Scientific American Supplement, No. 520, December 19, 1885
  • The mechanism must be sensitive, as such properties of matter as heat, light, electricity, magnetism, and actinism, are to be handled, caused to vanish and reappear, analyzed and measured. Scientific American Supplement, No. 288, July 9, 1881
  • Niépce, a Frenchman, discovered "actinism," that power in the sun's rays which produces a chemical effect; that granite rocks, and stone structures, and statues of metal, "are all alike destructively acted upon during the hours of sunshine, and, but for provisions of Nature no less wonderful, would soon perish under the delicate touch of the most subtile of the agencies of the universe. Harvard Classics Volume 28 Essays English and American
  • 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.
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  • Considering the wondrous richness and variety of the terrestrial life wrought out by the few sunbeams which we catch in our career through space, we may well pause overwhelmed and stupefied at the thought of the incalculable possibilities of existence which are thrown away with the potent actinism that darts unceasingly into the unfathomed abysms of immensity. The Unseen World, and Other Essays
  • Frenchman, discovered "actinism," that power in the sun's rays which produces a chemical effect; that granite rocks, and stone structures, and statues of metal "are all alike destructively acted upon during the hours of sunshine, and, but for provisions of Walking
  • Light or luminous power to one portion; heat or calorific power to another; and chemical power or actinism to a third. The Art of Living in Australia
  • The germination of seeds in the spring is dependent upon the variations in the amount of actinism or chemical influence of light and heat.
  • Niépce, a Frenchman, discovered “actinism, ” that power in the sun’s rays which produces a chemical effect; that granite rocks, and stone structures, and statues of metal, “are all alike destructively acted upon during the hours of sunshine, and, but for provisions of Nature no less wonderful, would soon perish under the delicate touch of the most subtile of the agencies of the universe. Walking [1862]

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