pushdown

adj

1. (not-comparable)Describing a stack in which items are removed in a LIFO manner from the end at which they were added.
2. (not-comparable)Used by being pushed down.

   “[T]he unfortunate few who suffer from it [ejaculatory anhedonia] are incapable of deriving any pleasure whatsoever from orgasms. They make a bit of mess while staring impassively into the middle distance, and that's it. Like the human equivalent of a pushdown soap-dispenser.”

   “The containers we always use for those are the OXO ones that have the pushdown button, so I think it probably does stay fresher than flour in a paper bag, and in that way, it works.”

   “This 30ml serum bottle has a pushdown release nozzle applicator.”

noun

1. (countable)A pushdown automaton.

   “Since indexed grammars are context-free grammars with pushdowns, the generalization of Thatcher's result shows that they generate the yields of the tree languages recognized by deterministic pushdown tree automata.”

2. (countable, uncountable)The relegation of the transformation or processing of data to the originating datasource.

   “filter pushdown”

   “predicate pushdown”

3. An exercise that requires one to push weight downward.

   “Machine exercises with weight stacks, like pushdowns or pulldowns, are ideal for cranking out more than three drops because all you need to do is insert the pin in a higher (lighter) slot each time.”