em·dash or em dash ( m d sh )n. A symbol (  ) used in writing and printing to indicate a break in thought or sentence structure, to introduce a phrase added for emphasis, definition, or explanation, or to separate two clauses.[From its being the width of an m in printing.] |
em dash, rule
n
(Communication Arts / Printing, Lithography & Bookbinding) Printing a dash (—) one em long
em dash, en dash - The em dash is the long dash used in punctuation whose length is based on the width of the letter M; the en dash is shorter (the width of an N) and the hyphen is even shorter.
See also related terms for punctuation.
Translations
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