aeronomy
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aer·on·o·my
(â-rŏn′ə-mē)n.
The study of the upper atmosphere, especially of regions of ionized gas.
aer·on′o·mer n.
aer′o·nom′ic, aer′o·nom′i·cal adj.
aer·on′o·mist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
aeronomy
(ɛəˈrɒnəmɪ)n
(Physical Geography) the science of the earth's upper atmosphere
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ae•ron•o•my
(ɛəˈrɒn ə mi)n.
the study of chemical and physical phenomena in the upper atmosphere.
[1955–60]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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