placeholder

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noun place·hold·er \ˈplās-ˌhōl-dər\

Definition of placeholder

  1. :  a symbol in a mathematical or logical expression that may be replaced by the name of any element of a set

1928

First Known Use of placeholder

1928


PLACEHOLDER Defined for Kids

placeholder

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noun place·hold·er \ˈplās-ˌhōl-dər\

Definition of placeholder for Students

  1. :  a symbol (as x, Δ, *) used in mathematics in the place of a numeral


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