number sign

English

Noun

number sign (plural number signs)

  1. The character # used to represent the word number.
    Synonyms: hash sign, (US) pound sign
    • 1912, United States. Patent Office, Specifications and Drawings of Patents Issued from the United States Patent Office, Volume 466, Part 2, Issues 99-988, U.S. Government Printing Office, page 4919:
      The number sign (#) is used when the number to be printed represents cents only, and is designed to prevent any one from placing a false figure in the dollar position on the check.
    • 1942, United States. War Department, Technical Manual:
      367. Characters.—The upper case of the first row of keys contains characters. You will have frequent occasion to use the quotation mark or ditto ("), the underscore (_), the apostrophe ('), parenthesis left [(] and right [)], and the hyphen (-). The number sign (#), the dollar sign ($), percent sign (%), the ampersand or "and" sign (&), and the asterisk (*) are mostly used in reports and tabulating work.
    • 1942, United States Civil Service Commission, Operations Manual for Placement of Women and Physically Handicapped, U.S. Government Printing Office:
      New material which has been inserted on the page is indicated by the number sign (#). Where more than one or two lines have been inserted in consecutive sequence the number sign (#) appears above and below the material inserted rather than appearing on each individual line of the group. In cases where an entirely new listing is included the number sign (#) appears in the first line of the page. The appearance of three number signs (###) indicates the omission of material from that page.

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