pushdown

noun
push·down | \ˈpu̇sh-ˌdau̇n \

Definition of pushdown 

: a store of data (as in a computer) from which the most recently stored item must be the first retrieved

called also pushdown list, pushdown stack

First Known Use of pushdown

1961, in the meaning defined above

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The first known use of pushdown was in 1961

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