[ rey-dee-oh-sond ]
/ ˈreɪ di oʊˌsɒnd /
an instrument that is carried aloft by a balloon to send back information on atmospheric temperature, pressure, and humidity by means of a small radio transmitter.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for radiosonde
/ (ˈreɪdɪəʊˌsɒnd) /
an airborne instrument used to send meteorological information back to earth by radioAlso called: radiometeorograph
Word Origin for radiosonde
C20: radio- + French sonde sounding line
Scientific definitions for radiosonde
[ rā′dē-ō-sŏnd′ ]
An instrument that is carried into the atmosphere by a balloon, makes measurements of temperature, air pressure, humidity, and wind speed and direction, and transmits the measurements back to the ground. A radiosonde is typically sent to altitudes of approximately 30 km (18.6 mi). There are approximately 70 radiosonde stations across the continental United States. Each station launches two radiosondes daily.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.