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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What’s The #’s Real Name?How do we currently use the # symbol? On Twitter, Facebook, and Instagram, you tag your friends with the @ symbol and you tag topics with the #. If you see something that says “#WordoftheDay,” the tweet or post has something to do with Word of the Day. And, once you click on that marked topic, you’ll likely see all public posts about it. It’s a …
Also called secondary wave.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
See secondary wave.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.