Hash, hashes, hash mark, or hashing may refer to:
Substances
*
Hash (food), a coarse mixture of ingredients
* Hash, a nickname for
hashish
Hashish ( ar, حشيش, ()), also known as hash, "dry herb, hay" is a drug made by compressing and processing parts of the cannabis plant, typically focusing on flowering buds (female flowers) containing the most trichomes. European Monitorin ...
, a cannabis product
Hash mark
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Hash mark (sports), a marking on hockey rinks and gridiron football fields
*
Hatch mark, a form of mathematical notation
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Number sign (#), also known as the hash, hash mark, or (in American English) pound sign
*
Service stripe, a military and paramilitary decoration
*
Tally mark
Tally marks, also called hash marks, are a unary numeral system ( arguably).
They are a form of numeral used for counting. They are most useful in counting or tallying ongoing results, such as the score in a game or sport, as no intermediate r ...
, a counting notation
Computing
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Hash function, an encoding of data into a small, fixed size; used in hash tables and cryptography
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Hash table, a data structure using hash functions
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Cryptographic hash function, a hash function used to authenticate message integrity
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URI fragment, in computer hypertext, a string of characters that refers to a subordinate resource
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Geohash, a spatial data structure which subdivides space into buckets of grid shape
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Hashtag
A hashtag is a metadata tag that is prefaced by the hash (also known as pound or octothorpe) sign, ''#''. On social media, hashtags are used on microblogging and photo-sharing services such as Twitter or Instagram as a form of user-generated ...
, a form of metadata often used on social networking websites
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hash (Unix), an operating system command
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Hash chain, a method of producing many one-time keys from a single key or password
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Password hash
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Zobrist hashing, a method of hashing chess positions into a key
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Hashgraph, a
Distributed ledger technology.
Other uses
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Hash House Harriers, a running club
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''Hash'' (EP) (''
'), a 2020 EP by Loona
See also
*
Hash browns
*
Hash House (disambiguation)
Hash House may refer to:
*Hash House a go go, a restaurant chain
*Hash House Bikers, an international group of non-competitive bicycling, social clubs
*Hash House Harriers
The Hash House Harriers (HHH or H3) is an international group of non-c ...
*
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{{Disambiguation