noun
- a type of data structure in computer science where items are added and removed from the top, following a last-in-first-out principle
Usage: computing
adjective
- describing something that can be pushed down or collapsed
Examples
- The programmer implemented a pushdown stack to manage function calls.
- Data is stored in the pushdown automaton using stack operations.
- The pushdown mechanism allows the antenna to retract when not in use.
- She pressed the pushdown button to activate the device.
- The pushdown design makes the travel mug easy to store.
- Stack operations follow the pushdown principle in computer memory.