I can't think of an example, so I may be wrong about this, but I think I've seen people replace the prefix "trans" as in transport with an x. "Cross" makes sense, as in "railroad crossing", and I guess "chris" is sort of a punny extension, the extension being like "chris cross" and the example being "xmas", but why trans?

  • 4
    The X in Xmas is actually a chi, for Χριστός (Christ), and its usage goes back some centuries.
    – choster
    Oct 8, 2014 at 0:35
  • 2
    In the late 1990's when dial-up modems were the norm, a friend who was using a university T1 connection bragged (we were discussing using AOL instant messenger) about "sick xfer rates".
    – user31341
    Oct 8, 2014 at 0:55
  • @jlovegren that's right, that's the context I usually see it in.
    – jfa
    Oct 8, 2014 at 14:50

1 Answer 1


Trans is sometimes replaced by x as an abbreviation, because trans means cross, or across, and the letter x as a symbol is a cross.

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