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weather balloon

noun, Meteorology
Origin
1935-1940
1935-40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for weather balloon
  • The equipment was sent close to space using a helium-filled weather balloon.
  • Military officials retreated the next day, calling the curious debris merely a downed weather balloon.
  • In particular, officials are concerned that a slew of copycat weather balloon launches could pose a risk to commercial aviation.
  • Take a giant weather balloon and hook it up to the mouth of the pipe.
  • No, all it lends credence to is the idea is that it was something other than a weather balloon.
  • We have found a weather balloon and it's transmitter.
  • While there, they witnessed the twice-daily launching a radiosonde by way of hydrogen-filled weather balloon.
  • Two to three hours prior to a shot, a weather balloon is released with a sonde attached.
weather balloon in Science
weather balloon  
A balloon used to carry instruments aloft to gather meteorological data in the atmosphere. Weather balloons are tracked by radar, Global Positioning System, or theodolites. The balloon itself usually contains devices to measure temperature, pressure and humidity, although it can contain specialized devices to measure the ozone in the ozone layer. Filled with hydrogen or helium gas, weather balloons can reach 35 km (22 mi) in altitude before disintegrating due to the decreased pressure of the lower stratosphere.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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13
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