NOUN
- measuring the intensity of electromagnetic radiation (especially of the sun's rays)
How To Use actinometry In A Sentence
- Chemical actinometry using the potassium ferrioxalate actinometer gave an incident intensity 10 of about 2.8 X 10 + 16 quanta-s 1.
- n. - instrument measuring heating power of the sun's rays; Photography, instrument for calculating exposure times. actinometry, adj. Xml's Blinklist.com
- These is also a photometric photographic catalogue of the stars nearest to the pole in PARKHURST's “Yerkes actinometry” (1912), [11] which contains all stars in B. Lectures on Stellar Statistics