(n) :
Jargon term from
physics 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
,
, and
, 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