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Word: dex (lookup usage) (lookup stats)

abbreviation:

Source: Wiktionary | Src Info »

Noun:

and|astrophysics An order or factor of ten. When dealing with log to the base 10 transform of a number set the transform of 10, 100, and 1 000 000 is $log_{10}(10) = 1$ , $log_{10}(100) = 2$ , and $log_{10}(1 000 000) = 6$ , so the difference between 10 and 100 in base 10 is 1 dex and the difference between 1 and 1 000 000 is 6 dex.

Source: Wiktionary | Src Info »