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British Dictionary definitions for photoelectric magnitude

photoelectric magnitude

noun
  1. astronomy the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012