Definition of number sign in English:

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number sign


North American
The sign #, used to introduce a number (as in question #2).
Example sentences
  • These are marked with a number sign.
  • The number sign indicates nodes with bootstrap values less than 50%.
  • Letterpress printers have long grouped the ampersand along with other assorted marks (including the asterisk and number sign) under the loose rubric of "allsorts."

For editors and proofreaders

Syllabification: num·ber sign

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