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View synonyms for upper atmosphere

upper atmosphere

noun

, Meteorology.
  1. the portion of the atmosphere above the troposphere.


upper atmosphere

noun

  1. meteorol that part of the atmosphere above the troposphere
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


upper atmosphere

  1. The part of the atmosphere above the troposphere. The upper atmosphere includes the mesosphere, the ionosphere, the thermosphere, and the exosphere. Temperatures in the upper atmosphere decrease with increasing altitude except in the thermosphere, where temperatures increase significantly with altitude, because the few molecules present receive intense solar radiation.


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Word History and Origins

Origin of upper atmosphere1

First recorded in 1890–95
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Example Sentences

Well, my company has come up with some very practical and cost-effective ways of deliberately putting particles into the upper atmosphere.

In the upper atmosphere, a trough or dip in the jet stream, is approaching, increasing the dynamic uplift over the Mid-Atlantic.

Figuring out the overall effect of rocket launches on the atmosphere will require detailed modelling, to account for these complex processes and the persistence of these pollutants in the upper atmosphere.

Over the last year or so, a colossal facility high in the mountains of southwest China picked up two showers of particles each produced by a single high-energy beam of light—a gamma ray—slamming into the upper atmosphere.

This high above the Earth, it was still susceptible to drag from the thin wisps of our planet's upper atmosphere.

Second, the upper atmosphere of Eisberg was pretty much pure hydrogen, which is somewhat easier to ionize than oxygen or nitrogen.

Clear and dry though the air is, the blue of the skies is pale owing to a light dust haze in the upper atmosphere.

Or had the Throgs tried to blast the Terran ship in the upper atmosphere, crippling it, making this a forced landing?

As the cooling progressed, however, the steam that was in the upper atmosphere began to condense and to fall in rain.

The mists had rolled away from the ground, and only the upper atmosphere remained fog-charged.

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upper armUpper Austria