a transverse earthquake wave that travels through the interior of the earth and is usually the second conspicuous wave to reach a seismograph.
Why Are We Calling Everything A “Wave”?Why have so many waves found their way into our cultural lexicon in recent years? In this article, the first in the column Mincing Metaphors, we unpack this oceanic metaphor to better understand what it means and why it’s proving so useful right now.
Former vs. LatterFirst thing’s first: Former and latter are both terms that denote an item’s place in a two-part sequence. They usually appear in the sentence immediately following the sequence. Former refers back to the first of a set, while latter refers to the last item. An easy way to remember the difference is to recall that both former and first begin with an F, while both …
Also called secondary wave.
Definition for secondary wave (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for secondary wave
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.
Science definitions for secondary wave (1 of 2)
A type of seismic body wave in which rock particles vibrate at right angles to the direction of wave travel. Secondary waves cause the rocks they pass through to change in shape. These waves are the second fastest traveling seismic waves (after primary waves) and can travel through solids but not through liquids or gases. Also called shear wave S wave See Note at earthquake.
Science definitions for secondary wave (2 of 2)
See secondary wave.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.