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Den vs Dex - What's the difference?

den | dex |

As a noun dex is

(physics|and|astrophysics) an order or factor of ten used both to refer to the function \mathrm{dex}(x) = 10^x and the number of (possibly fractional) orders of magnitude separating two numbers 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 or dex can be (informal) dextromethorphan or dex can be (gaming) dexterity.

den

English

Etymology 1

From (etyl) den, from (etyl) .

Noun

(en noun)
  • A small cavern or hollow place in the side of a hill, or among rocks; especially, a cave used by a wild animal for shelter or concealment.
    • a den of robbers
    Daniel was put into the lions’ den .
  • A squalid or wretched place; a haunt.
    • a den of vice
    an opium den'''; a gambling '''den
  • A comfortable room not used for formal entertaining.
  • (UK, Scotland, obsolete) A narrow glen; a ravine; a dell.
    • (Shakespeare)
    Synonyms
    * (home of certain animals) lair *: See also:

    Verb

    (denn)
  • (reflexive) To ensconce or hide oneself in (or as in) a den.

    • Etymology 2

    From (etyl) denier, from (etyl) denarius.

    Abbreviation

    (Abbreviation) (head)
  • (a unit of weight)

    • Anagrams

    * ----

    dex

    English

    Etymology 1

    Contraction of "decimal exponent".

    Noun

    (dexes)
  • (physics, and, astrophysics) An order or factor of ten. Used both to refer to the function \mathrm{dex}(x) = 10^x and the number of (possibly fractional) orders of magnitude separating two numbers. 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.
  • * 2004 , Cartledge et al 2004, The Homogeneity of Interstellar Oxygen in the Galactic Disk'', Abstract, ''The Astrophysical Journal , Volume 613, Issue 2, pp. 1037-1048,
    • The data points for low- paths are scattered more widely than those for denser sight lines, because O/H ratios for such paths shorter than 800 pc are generally about 0.10 dex lower than the values for longer ones.
    See also
    * order of magnitude, decibel

    Etymology 2

    By shortening.

    Noun

    (-)
  • (informal) dextromethorphan

    • Etymology 3

    By shortening.

    Noun

    (-)
  • (gaming) dexterity
  • * 2000 , "Billy Shields", The truth about offhand procs'' (on newsgroup ''alt.games.everquest )
    • Establish a proccing percentage of a weapon by putting it in the primary hand and then put it in your offhand and check the proccing percentage with varying levels of dual wield skill (while keeping level and dex constant).

    Anagrams

    * ----