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• Substantiv für eine Person, die berechtigt ist, im Namen eines anderen zu handeln, oder ein Zeichen in einem logischen oder mathematischen Ausdruck, das durch ein beliebiges Element einer gegebenen Menge ersetzt werden kann.

A noun referring to a person authorized to act on behalf of another, or a symbol in a logical or mathematical expression that can be replaced by any member of a specified set.

1. Person acting on behalf of anotherB2formal

   An individual who is authorized to act or make decisions for someone else, often in a temporary capacity.

   Stellvertreter

   • The CEO appointed a placeholder to attend the conference in her absence.
   • During the trial, a placeholder was used to represent the absent witness.
   • He served as a placeholder for the manager until a permanent replacement was found.

   Synonymeagentalternatedeputylocum tenensproxyrepresentativestand-insubstitutesurrogateunderstudy

2. Symbol in logic or mathematicsC1formalscientific

   A symbol, such as a variable, used in a logical or mathematical expression that can be replaced by any element from a specified set.

   Platzhalter

   • In algebra, 'x' is often used as a placeholder for an unknown number.
   • The logical expression uses a placeholder to represent any possible value.
   • Mathematicians use placeholders to simplify complex equations.

   Synonymevariable