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em dash

noun, Printing.
a dash one em long. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for em-dash
Historical Examples
  • Inserted second em-dash in the index entry for "Mont Blanc:" "— —, second ascent of."

British Dictionary definitions for em-dash

em dash

(printing) a dash (—) one em long
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
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