a hydrogen balloon carrying meteorological instruments and a radar target, enabling the velocity of winds in the atmosphere to be measured
WordReference Random House Unabridged Dictionary of American English © 2025
ra•win•sonde
(rā′win sond′),USA pronunciation n.
- Meteorologya method of upper-atmosphere meteorological observation conducted by means of a radiosonde tracked by radar. Cf. raob, rawin.
- ra(dar) + win(d) + (radio)sonde 1945–50
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