expander

One who or that which expands.

Noun

  1. One who or that which expands.
  2. A device used to widen the upper jaw so that the bottom and upper teeth will fit together better; a palatal expander.
  3. A control that expands to show more options or commands, keeping them hidden until needed.

    Synonyms: disclosure widget

  4. A kind of sparse graph with strong connectivity properties.

Origin

Etymology tree English expand Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English expander From expand + -er.

Forms

expanders expandor

Derived

chest expander compander compandor palatal expander palate expander plasma expander turboexpander volume expander