Dictionary

dummy variable

noun

Definition of DUMMY VARIABLE

:  an arbitrary mathematical symbol or variable that can be replaced by another without affecting the value of the expression in which it occurs
ADVERTISEMENT

First Known Use of DUMMY VARIABLE

1957

Browse

Next Word in the Dictionary: dummy whistPrevious Word in the Dictionary: dummy upAll Words Near: dummy variable
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears