expander
English
[edit]Etymology
[edit]Pronunciation
[edit]Audio (Southern England): (file)
Noun
[edit]expander (plural expanders)
- One who or that which expands.
- (dentistry) A device used to widen the upper jaw so that the bottom and upper teeth will fit together better; a palatal expander.
- (graphical user interface) A control that expands to show more options or commands, keeping them hidden until needed.
- (graph theory) A kind of sparse graph with strong connectivity properties.