sounding balloon
Origin of sounding balloon
First recorded in 1900–05
Also called weather balloon.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sounding balloon
Historical Examples of sounding balloon
The average height of sounding-balloon ascents is about ten miles.
MeteorologyCharles Fitzhugh Talman
By means of the sounding-balloon the air is explored to heights of twenty miles and more!
The Mentor: The WeatherCharles Fitzhugh Talman