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| Matching Terms: | actinometric, actinometrical | ||
| Definition: | [n] measuring the intensity of electromagnetic radiation (especially of the sun's rays) | ||
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| See Also: | measure, measurement, measuring, mensuration | ||
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| Definition: | \Ac`ti*nom"e*try\, n. 1. The measurement of the force of solar radiation. --Maury. 2. The measurement of the chemical or actinic energy of light. --Abney. | ||
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