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upper air

noun, Meteorology
the atmosphere above the lower portion of the troposphere.
Compare upper atmosphere.
Origin of upper air
1875-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for upper-air
Historical Examples
  • These made the upper-air half of the garden, the other half being assembled below.

    The Amateur Garden George W. Cable
  • We are disabled and are being blown out to sea in the grip of an upper-air hurricane!

  • No, but a new and rare kind of upper-air mosquito has just alighted on your shoulder, spoke the professor, eagerly.

  • Unfortunately their periods of seclusion are more prolonged than those of their upper-air distance.

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