rocketsonde

rocketsonde

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

Origin:
1945–50; rocket1 + sonde

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American Heritage
Science Dictionary
rocketsonde   (rŏk'ĭt-sŏnd')  Pronunciation Key 
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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