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Definition of Actinometer
1. Noun. An instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect).
Definition of Actinometer
1. n. An instrument for measuring the direct heating power of the sun's rays.
Definition of Actinometer
1. Noun. (physics) A device used to measure the heating power of electromagnetic radiation, especially that of solar radiation. ¹
¹ Source: wiktionary.com
Definition of Actinometer
1. [n -S]
Lexicographical Neighbors of Actinometer
Literary usage of Actinometer
Below you will find example usage of this term as found in modern and/or classical literature:
1. Bulletin by United States Weather Bureau (1905)
"They serve as checks upon the records of the Arago-Davy actinometer, which latter
has been made by Richard in such form as to keep a continuous register. ..."
2. Mathematical and Physical Papers by Sir George Gabriel Stokes, Baron John William Strutt Rayleigh (1905)
"Let it be understood then that the chief object which it is sought ultimately to
attain by the use of an actinometer is a knowledge of the variations (if ..."
3. Report on the Teneriffe Astronomical Experiment of 1856 by Charles Piazzi Smyth (1858)
"Radiation by actinometer. In the accurate determination of solar radiation for
physical inquiries, the black-bulb must yield to Sir JOHN HERSCHEL'S ..."
4. Report of the Annual Meeting (1894)
"In Bunsen and Roscoe's pendulum actinometer the oscillations of a pendulum cause
a sliding shutter to pass backward and forward before sensitised paper, ..."
5. A Treatise on Meteorological Instruments: Explanatory of Their Scientific by Negretti and Zambra, Enrico Angelo Lodovico Negretti, Joseph Warren Zambra (1864)
"The actinometer consists of a large cylindrical thermometer bulb, with a scale
considerably lengthened, so that minute changes may be easily seen. ..."
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