Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Slang Dextroamphetamine.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An order or factor of ten. Used both to refer to the function 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 , , 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.
  • n. dextromethorphan

Etymologies

Contraction of "decimal exponent". (Wiktionary)
By shortening. (Wiktionary)

Examples

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