Definition of radiosonde in English:

Share this entry


Pronunciation: /ˈreɪdɪəʊˌsɒnd/


An instrument carried by balloon or other means to various levels of the atmosphere and transmitting measurements by radio.
Example sentences
  • This rate of temperature decrease, the environmental lapse rate, must be measured to be known; this is done routinely by balloons carrying instruments called radiosondes.
  • The MMS sounds the atmosphere with a balloon-borne radiosonde, which measures the meteorological parameters of temperature, pressure, relative humidity, wind speed and wind direction.
  • These problems are sufficiently serious that the US National Weather Service adjusts satellite data every week to match radiosondes, in effect relying upon radiosondes as a reference instrument.


1930s: from radio- (relating to broadcasting) + German Sonde 'probe'.

For editors and proofreaders

Line breaks: radio|sonde

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.