Electricity. an electromagnetic wave over 60 meters in length.
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.
Origin of long wave
First recorded in 1830–40
Related formslong-wave, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for long wave
- a radio wave with a wavelength greater than 1000 metres
- (as modifier)a long-wave broadcast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012