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galactic plane

noun, Astronomy
1.
the plane of the galactic equator.
Origin
1840-1850
1840-50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for galactic-plane

galactic plane

noun
1.
the plane passing through the spiral arms of the Galaxy
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
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