Definify.com
Definition 2024
Appendix:Unsupported_titles_Number_sign
Unsupported titles/Number sign
Translingual
Symbol
# (English symbol name number sign or hash or pound sign or octothorpe)
- (set theory) The cardinality of a set.
- #{ 5, 3, 7, 11 } = 4
- (computing) The hash character.
- (Internet slang) A hashtag, which is a metadata tag for use in microblogging and social network services, used to label and search content.
- (Usenet) Used to pad the left side of a quotation from a manual or official source.
- (mathematics, computer science) concatenation
- (Internet) The anchor in a page.
- (syntax) Used to indicate that a sentence is grammatical but semantically strange.
- (phonology) Used to indicate a word boundary.
- Alternative form of ‡
- (chess notation) checkmate
- (cartography) Used to denote a village.
Synonyms
Derived terms
Coordinate terms
- (to pad a quotation on Usenet): > (for a quotation not necessarily from a manual or official source)
Usage notes
- In English it is called the hash, number sign, pound sign (American), or octothorpe (uncommon).
Synonyms
- (chess): ++