expander
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English[edit]
Etymology[edit]
Pronunciation[edit]
Audio (UK) (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.