typographical error

typographical error (plural typographical errors)

1. A mistake made during the process of typing, especially one caused by a slip of the fingers.
   • 2013 January 9, Derek Lowe, “Things I Won't Work With: Azidoazide Azides, More or Less”, in In the Pipeline‎:

     We're talking high-nitrogen compounds here ... and the question is not whether such things are going to be explosive hazards. (That's been settled by their empirical formulas, which generally look like typographical errors).

2. A mistake made during the process of typesetting.

   Synonym: misprint

Often shortened to typo.

• “typographical error”, in OneLook Dictionary Search.