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quality factor

British  

noun

  1. Former name: relative biological effectiveness.  a property of ionizing radiations that affects their ability to cause biological effects. For weakly ionizing radiations such as gamma rays it has value 1 whilst for alpha rays it is about 20

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

No wonder the much-studied quality factor still sort of works.

From The Wall Street Journal

Fidelity Quality Factor ETF, or FQAL, weights three measures equally.

From Barron's

Quality Factor ETF, JQUA, says only that it looks for “profitability, quality of earnings, and solvency.”

From Barron's

Fidelity Quality Factor ETF, or FQAL, weights three measures equally.

From Barron's

Quality Factor ETF, JQUA, says only that it looks for “profitability, quality of earnings, and solvency.”

From Barron's