upper air

noun Meteorology.

the atmosphere above the lower portion of the troposphere.

Origin of upper air

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for upper air

  • 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.