an earthquake wave that travels around the earth's surface and is usually the third 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.
Also called long wave.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for l wave
See Love wave.
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