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a. A type of seismic surface wave having a retrograde, elliptical motion
at the free surface. It is named after Lord Rayleigh, the English
physicist who predicted its existence. Syn:
R wave
b. A surface wave associated with the free boundary of a solid. The wave
is of maximum intensity at the surface and diminishes quite rapidly as one
proceeds into the solid. Therefore, it has a tendency to hug the surface
of the solid. Such waves have been used quite effectively in detecting
surface cracks and flaws in castings. Hunt
Source:
Dictionary of Mining, Mineral, and Related Terms
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