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definitions

upper air

noun Meteorology.
  1. the atmosphere above the lower portion of the troposphere.
Compare upper atmosphere.

Origin of upper air

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for upper air

Historical Examples of upper air

  • 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.

  • These made the upper-air half of the garden, the other half being assembled below.

    The Amateur Garden

    George W. Cable

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