The initial downward deflection of the QRS complex in an electrocardiogram.
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.
Why Does The Letter Q Almost Always Need The Letter U?Scrabble players are acutely aware that Q is a tricky letter. To use a Q in the game, a player must also find an available U. The fact that Q is the second most rarely used letter in the alphabet certainly doesn’t make using Q any easier.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.