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elastic wave
e·las·tic wave (plural e·las·tic waves)


noun 
Definition:
 
wave in a flexible medium: a wave propagated in a medium in which particles become temporarily displaced, transfer motion to other particles, and then return to their original state
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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