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sounding balloon

American  

noun

Meteorology.
  1. a balloon carrying instruments aloft to make atmospheric measurements, especially a radiosonde balloon.


Etymology

Origin of sounding balloon

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Most amazing of the party's new equipment is a sounding balloon developed by Professor Paul Molchanov of Leningrad.

From Time Magazine Archive