expander

名词 n.
中文释义

英文释义

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

词形变化

expanders plural expandor alternative,obsolete

词汇关系

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

词源

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.
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