• synonyms


  1. diagnosis.
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or D.X.

  1. distance (used especially to designate difficult shortwave reception).
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D & X

or D and X

  1. dilation and extraction.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dx

Historical Examples

  • At last he impatiently remarked, "Does nobody know that dx ⁄ dt means velocity?"

    Lord Kelvin

    Andrew Gray

  • "I felt an immediate overload of power in my DX circuit," the servo-pilot confessed.

    The Love of Frank Nineteen

    David Carpenter Knight

  • The simplest possible case is, therefore, that in which ds is the square root of a quadratic function of the dx.

  • The writer considers as very doubtful the formula for Dx, which is the same as that for W1, already discussed.

British Dictionary definitions for dx


symbol for
  1. long distance
  2. (of a radio station) indicating that it is far away
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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