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rocketsonde

[rok-it-sond]
noun Meteorology.
  1. a telemeter for gathering data on the atmosphere at very high altitudes, carried aloft by rocket and returned to earth by parachute.
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Origin of rocketsonde

First recorded in 1945–50; rocket1 + sonde
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
rocketsonde in Science

rocketsonde

[rŏk′ĭt-sŏnd′]
  1. An instrument transported to the upper atmosphere by rocket, used to study meteorological conditions. A rocketsonde is capable of measuring and transmitting information to altitudes of about 76,000 m (249,280 ft).
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.