atmospheric tide
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Related to atmospheric tide: tidal current
atmospheric tide
[¦at·mə¦sfir·ik ′tīd] (geophysics)
Periodic global motions of the earth's atmosphere, produced by gravitational action of the sun and moon; amplitudes are minute except in the upper atmosphere.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.