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[in-stan-shee-eyt] /ɪnˈstæn ʃiˌeɪt/
verb (used with object), instantiated, instantiating.
to provide an instance of or concrete evidence in support of (a theory, concept, claim, or the like).
Origin of instantiate
1945-50; < Latin instanti(a) (taken as combining form of instance) + -ate1
Related forms
instantiation, noun
instantiative, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for instantiation
Historical Examples
  • The logic of this language was an extension and instantiation of the logic of human activity.

  • instantiation of meaning is always in the experience through which individuals constitute their identity.

  • The method of an image is an experience, not a grammar applied to a repertory, or the instantiation of rules of grammar.

British Dictionary definitions for instantiation


the act or an instance of instantiating
the representation of (an abstraction) by a concrete example
  1. the process of deriving an individual statement from a general one by replacing the variable with a name or other referring expression
  2. the valid inference of an instance from a universally quantified statement, as David is rational from all men are rational
  3. a statement so derived


(transitive) to represent by an instance
Word Origin
C20: from Latin instantia (see instance) + -ate1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for instantiation



1946, from instant (Latin instantia) + -ate. Related: Instantiated; instantiation.

Online Etymology Dictionary, © 2010 Douglas Harper
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instantiation in Technology

Producing a more defined version of some object by replacing variables with values (or other variables).
1. In object-oriented programming, producing a particular object from its class template. This involves allocation of a structure with the types specified by the template, and initialisation of instance variables with either default values or those provided by the class's constructor function.
2. In unification, (as used in logic programming, type checking and type inference), binding a logic variable (type variable) to some value (type).

The Free On-line Dictionary of Computing, © Denis Howe 2010
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