shadow zone(redirected from Shadow Zone (album))
shadow zone[′shad·ō ‚zōn]
A region, usually under water or in the atmosphere, which sound waves will not reach, according to ray acoustics.
The zone, between 103 and 143° from the epicenter of an earthquake, in which direct seismic waves do not arrive because of refraction and absorption by the earth's core.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.