New Em Dash Spaces Pics. Learn the definition of em dash (em rule), usage, examples & grammatical rules. The dash is a punctuation mark that is similar in appearance to the hyphen and minus sign but differs from these symbols in length and, in some fonts, height above the baseline.
Can you use dashes in formal writing?
We went to visit the tower of london—and met a ghost. There are two slightly different conventions for using a dash. An em dash is a punctuation mark that can be used in place of other punctuation and can add style. An em dash, or long dash, is used:
