expander

English

Etymology

expand +‎ -er.

Pronunciation

Audio (UK) (file)

Noun

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.

Derived terms

chest expander
palatal expander
palate expander
plasma expander
volume expander

Anagrams

reexpand, reëxpand

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