Describing a stack in which items are removed in a LIFO manner from the end they were added(adjective)
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Use "pushdown" in a sentence
"The second reason why I was dissatisfied with the parentical analysis is that it does not seem to apply to many of these so-called pushdown clauses."
"I feel like this deserves special attention because of how often I am helping someone troubleshoot a problem they are having with "pushdown"."
"For example, following a recent Air France 'pushdown' ad on nytimes. com, we saw that their ad's impact on key consumer behaviors increased steadily as weeks passed."