Also found in: Encyclopedia.


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.


(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


(ɛəˈrɒn ə mi)

the study of chemical and physical phenomena in the upper atmosphere.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Mentioned in ?
References in periodicals archive ?
Aeronomy at Earth: Tools for Heliophysics Exploration and Research (AETHER)
Ann Carine Vandaele at the Royal Belgian Institute for Space Aeronomy and her colleagues made use of information gathered to see how water could have behaved during the storm.
Sucksdorff, Guide for Magnetic Measurements and Observatory Practice, International association of Geomagnetism and Aeronomy, Boulder, 1996, June 2018,
Sitnov, "Dipole coordinate system and some of its characteristics," Geomegnatism and Aeronomy, vol.
The largest run by the government--the highly specialized Institute for Telecommunication Sciences and Aeronomy at Boulder--reports to the Secretary of Commerce.
Solomon, Aeronomy of the Middle Atmosphere, Springer, Dordrecht, Netherlands, 2005.
Sharadze, "Phenomenon of F-scattering and drift of small-scale irregularities in the nightly F-region of the ionosphere," Geomagnetizm and Aeronomy, Vol.
The data from this WDC are provided in the format of IAGA (International Association of Geomagnetism and Aeronomy) 2000, in which the magnetic field is represented by four components: Horizontal (H), declination (D), vertical (Z), and total field (F).
Within ESSA, the name of CRPL was changed to the Institute for Telecommunication Sciences and Aeronomy (ITSA).