rawinsonde
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ra·win·sonde
(rā′wĭn-sŏnd′)n.
A radiosonde used to observe the speed and direction of upper-air winds and tracked by a radio direction-finding instrument or radar.
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.
rawinsonde
(ˈreɪwɪnˌsɒnd)n
(General Physics) a hydrogen balloon carrying meteorological instruments and a radar target, enabling the velocity of winds in the atmosphere to be measured
[C20: blend of radar + wind + radiosonde]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014