sonde Hear it!

sonde definition

☆ sonde (sänd)

noun

any of various devices, esp. a radiosonde, for measuring and usually telemetering meteorological and other physical conditions at high altitudes

Etymology: Fr, a sounding line < sonder: see sound

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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