See Q(def 6).
Q Without U: 9 Must-Know Words for Words With FriendsRead more in this article about some frequently asked questions and fun facts related to our definitions.
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.
Origin of Q-factor
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a measure of the relationship between stored energy and rate of energy dissipation in certain electrical components, devices, etc, thus indicating their efficiency
Also called: Q value the heat released in a nuclear reaction, usually expressed in millions of electronvolts for each individual reactionSymbol: Q
Word Origin for Q factor
C20: short for quality factor
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