A placeholder is a general term, sign, or symbol which is used in place of a specific unknown or irrelevant term or value. Placeholder may refer to:

* Placeholder name, words that can refer to unknown objects or people
* Free variables and bound variables, in disciplines involving formal languages, particularly mathematics and logic
* Metasyntactic variable, in computer science
* Lorem ipsum, in publishing and graphic design

ee also

* Filler text

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Look at other dictionaries:

  • placeholder — (n.) 1550s, from PLACE (Cf. place) (n.) + HOLDER (Cf. holder) …   Etymology dictionary

  • placeholder — noun Something used or included temporarily or as a substitute for something that is not known or must remain generic; that which holds, denotes or reserves a place for something to come later. This is placeholder data, so you’ll want to include… …   Wiktionary

  • placeholder —    or place holder    A word or an image that is used instead of the actual name or image of a person or thing that probably has a more specific name or image. The person or thing may simply not have been named yet or its name has been forgotten …   Glossary of Art Terms

  • placeholder — rezervuota vieta statusas T sritis informatika apibrėžtis Nepanaudota, bet palikta ateičiai vieta ↑dokumente ar ↑programoje. Prireikus į ją galima įterpti naujai atsiradusį objektą (pvz., tekstą) nekeičiant dokumento arba programos struktūros.… …   Enciklopedinis kompiuterijos žodynas

  • placeholder — vietaženklis statusas T sritis informatika apibrėžtis Ženklas arba ženklų eilutė, žyminti vietą dokumente, kur turi būti įdėtas tekstas arba paveikslas. atitikmenys: angl. placeholder …   Enciklopedinis kompiuterijos žodynas

  • Placeholder name — Placeholder names are words that can refer to objects or people whose names are either temporarily forgotten, irrelevant, or unknown in the context in which they are being discussed. Whatchamacallit (for objects) and Whatshisname or Whatshername… …   Wikipedia

  • Placeholder candidate — A placeholder candidate is used in U.S. presidential politics as a temporary stand in for ballot access petitioning purposes until the actual nominees are decided. The need for such placeholders arises from the fact that many third parties must… …   Wikipedia

  • placeholder — noun Date: 1958 a symbol in a mathematical or logical expression that may be replaced by the name of any element of a set …   New Collegiate Dictionary

  • placeholder — /plays hohl deuhr/, n. 1. Math, Logic. a symbol in an expression that may be replaced by the name of any element of the set. 2. a person who holds a government office, esp. one appointed to the position in return for political support or favors.… …   Universalium

  • placeholder — n. symbol in an expression that can be replaced by the name of any element in a set; person holding a government position (Mathematics) …   English contemporary dictionary

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