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pushdown

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pushdown¹

Where it comes from

From push + down; by analogy with a spring-loaded stack of plates in a cafeteria.

adjective

  1. not comparable Describing a stack in which items are removed in a LIFO manner from the end at which they were added.

noun pushdowns

  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

pushdown²

Where it comes from

Deverbal from push down.

noun pushdowns

  1. 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.

adjective

  1. 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.

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MLA

"pushdown." Wiktionary, via Micwyn, micwyn.com/word/pushdown. Accessed 6 Nov. 2026.

APA

pushdown. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/pushdown

Chicago

"pushdown." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/pushdown.

BibTeX
@misc{pushdown_2026,
  title = {pushdown},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/pushdown},
  urldate = {2026-11-06}
}