placeholder

/ˌpleɪsˈhoʊldər/
IPA guide

Other forms: placeholders

Definitions of placeholder
  1. noun
    a person authorized to act for another
    synonyms: procurator, proxy
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    type of:
    agent
    a representative who acts on behalf of other persons or organizations
  2. noun
    a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set
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    type of:
    variable
    a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity
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