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S wave

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noun Geology.
a transverse earthquake wave that travels through the interior of the earth and is usually the second conspicuous wave to reach a seismograph.
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Also called secondary wave.
Compare L wave, P wave.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

Medical definitions for S wave

S wave

n.
A downward deflection of the QRS complex in an electrocardiogram following an R wave.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for S wave

S wave

See secondary wave.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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