Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

placeholder

play
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



1958

First Known Use of placeholder

1958


PLACEHOLDER Defined for Kids

placeholder

play
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




Learn More about placeholder


Seen and Heard

What made you want to look up placeholder? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt angry oily maudlin
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ